25218312855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 44670320640

約数和(自身を除く): 19452007785

約数列:

[1, 3, 5, 15, 23, 29, 69, 71, 87, 115, 131, 145, 213, 271, 345, 355, 393, 435, 655, 667, 813, 1065, 1355, 1633, 1965, 2001, 2059, 3013, 3335, 3799, 4065, 4899, 6177, 6233, 7859, 8165, 9039, 9301, 10005, 10295, 11397, 15065, 18699, 18995, 19241, 23577, 24495, 27903, 30885, 31165, 35501, 39295, 45195, 46505, 47357, 56985, 57723, 87377, 93495, 96205, 106503, 117885, 139515, 142071, 177505, 180757, 213923, 236785, 262131, 269729, 288615, 436885, 442543, 532515, 542271, 557989, 641769, 710355, 809187, 816523, 903785, 1029529, 1069615, 1310655, 1327629, 1348645, 1673967, 2212715, 2449569, 2520571, 2711355, 2789945, 3088587, 3208845, 4045935, 4082615, 5147645, 6203767, 6638145, 7561713, 8369835, 12247845, 12602855, 12833747, 15442935, 18611301, 23679167, 31018835, 37808565, 38501241, 57973133, 64168735, 71037501, 73096559, 93056505, 118395835, 173919399, 192506205, 219289677, 289865665, 355187505, 365482795, 869596995, 1096448385, 1681220857, 5043662571, 8406104285, 25218312855]

約数ペア:

[(1, 25218312855), (3, 8406104285), (5, 5043662571), (15, 1681220857), (23, 1096448385), (29, 869596995), (69, 365482795), (71, 355187505), (87, 289865665), (115, 219289677), (131, 192506205), (145, 173919399), (213, 118395835), (271, 93056505), (345, 73096559), (355, 71037501), (393, 64168735), (435, 57973133), (655, 38501241), (667, 37808565), (813, 31018835), (1065, 23679167), (1355, 18611301), (1633, 15442935), (1965, 12833747), (2001, 12602855), (2059, 12247845), (3013, 8369835), (3335, 7561713), (3799, 6638145), (4065, 6203767), (4899, 5147645), (6177, 4082615), (6233, 4045935), (7859, 3208845), (8165, 3088587), (9039, 2789945), (9301, 2711355), (10005, 2520571), (10295, 2449569), (11397, 2212715), (15065, 1673967), (18699, 1348645), (18995, 1327629), (19241, 1310655), (23577, 1069615), (24495, 1029529), (27903, 903785), (30885, 816523), (31165, 809187), (35501, 710355), (39295, 641769), (45195, 557989), (46505, 542271), (47357, 532515), (56985, 442543), (57723, 436885), (87377, 288615), (93495, 269729), (96205, 262131), (106503, 236785), (117885, 213923), (139515, 180757), (142071, 177505)]