61851664

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 143740800

約数和(自身を除く): 81889136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 137, 139, 203, 232, 274, 278, 406, 464, 548, 556, 812, 959, 973, 1096, 1112, 1624, 1918, 1946, 2192, 2224, 3248, 3836, 3892, 3973, 4031, 7672, 7784, 7946, 8062, 15344, 15568, 15892, 16124, 19043, 27811, 28217, 31784, 32248, 38086, 55622, 56434, 63568, 64496, 76172, 111244, 112868, 133301, 152344, 222488, 225736, 266602, 304688, 444976, 451472, 533204, 552247, 1066408, 1104494, 2132816, 2208988, 3865729, 4417976, 7731458, 8835952, 15462916, 30925832, 61851664]

約数ペア:

[(1, 61851664), (2, 30925832), (4, 15462916), (7, 8835952), (8, 7731458), (14, 4417976), (16, 3865729), (28, 2208988), (29, 2132816), (56, 1104494), (58, 1066408), (112, 552247), (116, 533204), (137, 451472), (139, 444976), (203, 304688), (232, 266602), (274, 225736), (278, 222488), (406, 152344), (464, 133301), (548, 112868), (556, 111244), (812, 76172), (959, 64496), (973, 63568), (1096, 56434), (1112, 55622), (1624, 38086), (1918, 32248), (1946, 31784), (2192, 28217), (2224, 27811), (3248, 19043), (3836, 16124), (3892, 15892), (3973, 15568), (4031, 15344), (7672, 8062), (7784, 7946)]