278884536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{21013}}^1$

素因数の和:21108

約数の個数: 64

約数和(自身を含む): 806937600

約数和(自身を除く): 528053064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1659, 1896, 2212, 3318, 4424, 6636, 13272, 21013, 42026, 63039, 84052, 126078, 147091, 168104, 252156, 294182, 441273, 504312, 588364, 882546, 1176728, 1660027, 1765092, 3320054, 3530184, 4980081, 6640108, 9960162, 11620189, 13280216, 19920324, 23240378, 34860567, 39840648, 46480756, 69721134, 92961512, 139442268, 278884536]

約数ペア:

[(1, 278884536), (2, 139442268), (3, 92961512), (4, 69721134), (6, 46480756), (7, 39840648), (8, 34860567), (12, 23240378), (14, 19920324), (21, 13280216), (24, 11620189), (28, 9960162), (42, 6640108), (56, 4980081), (79, 3530184), (84, 3320054), (158, 1765092), (168, 1660027), (237, 1176728), (316, 882546), (474, 588364), (553, 504312), (632, 441273), (948, 294182), (1106, 252156), (1659, 168104), (1896, 147091), (2212, 126078), (3318, 84052), (4424, 63039), (6636, 42026), (13272, 21013)]