64996910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 135924480

約数和(自身を除く): 70927570

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 137, 190, 209, 227, 274, 418, 454, 685, 1045, 1135, 1370, 1507, 2090, 2270, 2497, 2603, 3014, 4313, 4994, 5206, 7535, 8626, 12485, 13015, 15070, 21565, 24970, 26030, 28633, 31099, 43130, 47443, 57266, 62198, 94886, 143165, 155495, 237215, 286330, 310990, 342089, 474430, 590881, 684178, 1181762, 1710445, 2954405, 3420890, 5908810, 6499691, 12999382, 32498455, 64996910]

約数ペア:

[(1, 64996910), (2, 32498455), (5, 12999382), (10, 6499691), (11, 5908810), (19, 3420890), (22, 2954405), (38, 1710445), (55, 1181762), (95, 684178), (110, 590881), (137, 474430), (190, 342089), (209, 310990), (227, 286330), (274, 237215), (418, 155495), (454, 143165), (685, 94886), (1045, 62198), (1135, 57266), (1370, 47443), (1507, 43130), (2090, 31099), (2270, 28633), (2497, 26030), (2603, 24970), (3014, 21565), (4313, 15070), (4994, 13015), (5206, 12485), (7535, 8626)]