28566804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2597

約数の個数: 72

約数和(自身を含む): 81651360

約数和(自身を除く): 53084556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2557, 2793, 3724, 5114, 5586, 7671, 10228, 11172, 15342, 17899, 30684, 35798, 48583, 53697, 71596, 97166, 107394, 125293, 145749, 194332, 214788, 250586, 291498, 340081, 375879, 501172, 582996, 680162, 751758, 1020243, 1360324, 1503516, 2040486, 2380567, 4080972, 4761134, 7141701, 9522268, 14283402, 28566804]

約数ペア:

[(1, 28566804), (2, 14283402), (3, 9522268), (4, 7141701), (6, 4761134), (7, 4080972), (12, 2380567), (14, 2040486), (19, 1503516), (21, 1360324), (28, 1020243), (38, 751758), (42, 680162), (49, 582996), (57, 501172), (76, 375879), (84, 340081), (98, 291498), (114, 250586), (133, 214788), (147, 194332), (196, 145749), (228, 125293), (266, 107394), (294, 97166), (399, 71596), (532, 53697), (588, 48583), (798, 35798), (931, 30684), (1596, 17899), (1862, 15342), (2557, 11172), (2793, 10228), (3724, 7671), (5114, 5586)]