71318975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 119992320

約数和(自身を除く): 48673345

約数列:

[1, 5, 7, 13, 23, 25, 29, 35, 47, 65, 91, 115, 145, 161, 175, 203, 235, 299, 325, 329, 377, 455, 575, 611, 667, 725, 805, 1015, 1081, 1175, 1363, 1495, 1645, 1885, 2093, 2275, 2639, 3055, 3335, 4025, 4277, 4669, 5075, 5405, 6815, 7475, 7567, 8225, 8671, 9425, 9541, 10465, 13195, 14053, 15275, 16675, 17719, 21385, 23345, 27025, 31349, 34075, 37835, 43355, 47705, 52325, 60697, 65975, 70265, 88595, 98371, 106925, 116725, 124033, 156745, 189175, 216775, 219443, 238525, 303485, 351325, 407537, 442975, 491855, 620165, 783725, 1097215, 1517425, 2037685, 2459275, 2852759, 3100825, 5486075, 10188425, 14263795, 71318975]

約数ペア:

[(1, 71318975), (5, 14263795), (7, 10188425), (13, 5486075), (23, 3100825), (25, 2852759), (29, 2459275), (35, 2037685), (47, 1517425), (65, 1097215), (91, 783725), (115, 620165), (145, 491855), (161, 442975), (175, 407537), (203, 351325), (235, 303485), (299, 238525), (325, 219443), (329, 216775), (377, 189175), (455, 156745), (575, 124033), (611, 116725), (667, 106925), (725, 98371), (805, 88595), (1015, 70265), (1081, 65975), (1175, 60697), (1363, 52325), (1495, 47705), (1645, 43355), (1885, 37835), (2093, 34075), (2275, 31349), (2639, 27025), (3055, 23345), (3335, 21385), (4025, 17719), (4277, 16675), (4669, 15275), (5075, 14053), (5405, 13195), (6815, 10465), (7475, 9541), (7567, 9425), (8225, 8671)]