31993456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 80

約数和(自身を含む): 73789920

約数和(自身を除く): 41796464

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 37, 44, 68, 74, 88, 136, 148, 176, 187, 272, 289, 296, 374, 407, 578, 592, 629, 748, 814, 1156, 1258, 1496, 1628, 2312, 2516, 2992, 3179, 3256, 4624, 4913, 5032, 6358, 6512, 6919, 9826, 10064, 10693, 12716, 13838, 19652, 21386, 25432, 27676, 39304, 42772, 50864, 54043, 55352, 78608, 85544, 108086, 110704, 117623, 171088, 181781, 216172, 235246, 363562, 432344, 470492, 727124, 864688, 940984, 1454248, 1881968, 1999591, 2908496, 3999182, 7998364, 15996728, 31993456]

約数ペア:

[(1, 31993456), (2, 15996728), (4, 7998364), (8, 3999182), (11, 2908496), (16, 1999591), (17, 1881968), (22, 1454248), (34, 940984), (37, 864688), (44, 727124), (68, 470492), (74, 432344), (88, 363562), (136, 235246), (148, 216172), (176, 181781), (187, 171088), (272, 117623), (289, 110704), (296, 108086), (374, 85544), (407, 78608), (578, 55352), (592, 54043), (629, 50864), (748, 42772), (814, 39304), (1156, 27676), (1258, 25432), (1496, 21386), (1628, 19652), (2312, 13838), (2516, 12716), (2992, 10693), (3179, 10064), (3256, 9826), (4624, 6919), (4913, 6512), (5032, 6358)]