178639468

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 394740864

約数和(自身を除く): 216101396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 73, 97, 106, 119, 146, 194, 212, 238, 292, 371, 388, 476, 511, 679, 742, 901, 1022, 1241, 1358, 1484, 1649, 1802, 2044, 2482, 2716, 3298, 3604, 3869, 4964, 5141, 6307, 6596, 7081, 7738, 8687, 10282, 11543, 12614, 14162, 15476, 17374, 20564, 23086, 25228, 27083, 28324, 34748, 35987, 46172, 49567, 54166, 65773, 71974, 87397, 99134, 108332, 120377, 131546, 143948, 174794, 198268, 240754, 263092, 349588, 375293, 460411, 481508, 611779, 750586, 842639, 920822, 1223558, 1501172, 1685278, 1841644, 2447116, 2627051, 3370556, 5254102, 6379981, 10508204, 12759962, 25519924, 44659867, 89319734, 178639468]

約数ペア:

[(1, 178639468), (2, 89319734), (4, 44659867), (7, 25519924), (14, 12759962), (17, 10508204), (28, 6379981), (34, 5254102), (53, 3370556), (68, 2627051), (73, 2447116), (97, 1841644), (106, 1685278), (119, 1501172), (146, 1223558), (194, 920822), (212, 842639), (238, 750586), (292, 611779), (371, 481508), (388, 460411), (476, 375293), (511, 349588), (679, 263092), (742, 240754), (901, 198268), (1022, 174794), (1241, 143948), (1358, 131546), (1484, 120377), (1649, 108332), (1802, 99134), (2044, 87397), (2482, 71974), (2716, 65773), (3298, 54166), (3604, 49567), (3869, 46172), (4964, 35987), (5141, 34748), (6307, 28324), (6596, 27083), (7081, 25228), (7738, 23086), (8687, 20564), (10282, 17374), (11543, 15476), (12614, 14162)]