78545168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 176082480

約数和(自身を除く): 97537312

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 97, 104, 136, 194, 208, 221, 229, 272, 388, 442, 458, 776, 884, 916, 1261, 1552, 1649, 1768, 1832, 2522, 2977, 3298, 3536, 3664, 3893, 5044, 5954, 6596, 7786, 10088, 11908, 13192, 15572, 20176, 21437, 22213, 23816, 26384, 31144, 42874, 44426, 47632, 50609, 62288, 85748, 88852, 101218, 171496, 177704, 202436, 288769, 342992, 355408, 377621, 404872, 577538, 755242, 809744, 1155076, 1510484, 2310152, 3020968, 4620304, 4909073, 6041936, 9818146, 19636292, 39272584, 78545168]

約数ペア:

[(1, 78545168), (2, 39272584), (4, 19636292), (8, 9818146), (13, 6041936), (16, 4909073), (17, 4620304), (26, 3020968), (34, 2310152), (52, 1510484), (68, 1155076), (97, 809744), (104, 755242), (136, 577538), (194, 404872), (208, 377621), (221, 355408), (229, 342992), (272, 288769), (388, 202436), (442, 177704), (458, 171496), (776, 101218), (884, 88852), (916, 85748), (1261, 62288), (1552, 50609), (1649, 47632), (1768, 44426), (1832, 42874), (2522, 31144), (2977, 26384), (3298, 23816), (3536, 22213), (3664, 21437), (3893, 20176), (5044, 15572), (5954, 13192), (6596, 11908), (7786, 10088)]