28104414

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 35762466

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 59, 62, 78, 93, 118, 177, 186, 197, 354, 394, 403, 591, 767, 806, 1182, 1209, 1534, 1829, 2301, 2418, 2561, 3658, 4602, 5122, 5487, 6107, 7683, 10974, 11623, 12214, 15366, 18321, 23246, 23777, 34869, 36642, 47554, 69738, 71331, 79391, 142662, 151099, 158782, 238173, 302198, 360313, 453297, 476346, 720626, 906594, 1080939, 2161878, 4684069, 9368138, 14052207, 28104414]

約数ペア:

[(1, 28104414), (2, 14052207), (3, 9368138), (6, 4684069), (13, 2161878), (26, 1080939), (31, 906594), (39, 720626), (59, 476346), (62, 453297), (78, 360313), (93, 302198), (118, 238173), (177, 158782), (186, 151099), (197, 142662), (354, 79391), (394, 71331), (403, 69738), (591, 47554), (767, 36642), (806, 34869), (1182, 23777), (1209, 23246), (1534, 18321), (1829, 15366), (2301, 12214), (2418, 11623), (2561, 10974), (3658, 7683), (4602, 6107), (5122, 5487)]