168156872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 349036800

約数和(自身を除く): 180879928

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 97, 104, 158, 194, 211, 316, 388, 422, 632, 776, 844, 1027, 1261, 1688, 2054, 2522, 2743, 4108, 5044, 5486, 7663, 8216, 10088, 10972, 15326, 16669, 20467, 21944, 30652, 33338, 40934, 61304, 66676, 81868, 99619, 133352, 163736, 199238, 216697, 266071, 398476, 433394, 532142, 796952, 866788, 1064284, 1616893, 1733576, 2128568, 3233786, 6467572, 12935144, 21019609, 42039218, 84078436, 168156872]

約数ペア:

[(1, 168156872), (2, 84078436), (4, 42039218), (8, 21019609), (13, 12935144), (26, 6467572), (52, 3233786), (79, 2128568), (97, 1733576), (104, 1616893), (158, 1064284), (194, 866788), (211, 796952), (316, 532142), (388, 433394), (422, 398476), (632, 266071), (776, 216697), (844, 199238), (1027, 163736), (1261, 133352), (1688, 99619), (2054, 81868), (2522, 66676), (2743, 61304), (4108, 40934), (5044, 33338), (5486, 30652), (7663, 21944), (8216, 20467), (10088, 16669), (10972, 15326)]