31907590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 68910912

約数和(自身を除く): 37003322

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 53, 55, 65, 106, 110, 130, 143, 265, 286, 421, 530, 583, 689, 715, 842, 1166, 1378, 1430, 2105, 2915, 3445, 4210, 4631, 5473, 5830, 6890, 7579, 9262, 10946, 15158, 22313, 23155, 27365, 37895, 44626, 46310, 54730, 60203, 75790, 111565, 120406, 223130, 245443, 290069, 301015, 490886, 580138, 602030, 1227215, 1450345, 2454430, 2900690, 3190759, 6381518, 15953795, 31907590]

約数ペア:

[(1, 31907590), (2, 15953795), (5, 6381518), (10, 3190759), (11, 2900690), (13, 2454430), (22, 1450345), (26, 1227215), (53, 602030), (55, 580138), (65, 490886), (106, 301015), (110, 290069), (130, 245443), (143, 223130), (265, 120406), (286, 111565), (421, 75790), (530, 60203), (583, 54730), (689, 46310), (715, 44626), (842, 37895), (1166, 27365), (1378, 23155), (1430, 22313), (2105, 15158), (2915, 10946), (3445, 9262), (4210, 7579), (4631, 6890), (5473, 5830)]