31289976

素因数分解:

$2^3\times 3^4\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 88644600

約数和(自身を除く): 57354624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 109, 162, 216, 218, 324, 327, 436, 443, 648, 654, 872, 886, 981, 1308, 1329, 1772, 1962, 2616, 2658, 2943, 3544, 3924, 3987, 5316, 5886, 7848, 7974, 8829, 10632, 11772, 11961, 15948, 17658, 23544, 23922, 31896, 35316, 35883, 47844, 48287, 70632, 71766, 95688, 96574, 143532, 144861, 193148, 287064, 289722, 386296, 434583, 579444, 869166, 1158888, 1303749, 1738332, 2607498, 3476664, 3911247, 5214996, 7822494, 10429992, 15644988, 31289976]

約数ペア:

[(1, 31289976), (2, 15644988), (3, 10429992), (4, 7822494), (6, 5214996), (8, 3911247), (9, 3476664), (12, 2607498), (18, 1738332), (24, 1303749), (27, 1158888), (36, 869166), (54, 579444), (72, 434583), (81, 386296), (108, 289722), (109, 287064), (162, 193148), (216, 144861), (218, 143532), (324, 96574), (327, 95688), (436, 71766), (443, 70632), (648, 48287), (654, 47844), (872, 35883), (886, 35316), (981, 31896), (1308, 23922), (1329, 23544), (1772, 17658), (1962, 15948), (2616, 11961), (2658, 11772), (2943, 10632), (3544, 8829), (3924, 7974), (3987, 7848), (5316, 5886)]