31819554

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 80

約数和(自身を含む): 79584120

約数和(自身を除く): 47764566

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 81, 87, 117, 162, 174, 234, 261, 351, 377, 521, 522, 702, 754, 783, 1042, 1053, 1131, 1563, 1566, 2106, 2262, 2349, 3126, 3393, 4689, 4698, 6773, 6786, 9378, 10179, 13546, 14067, 15109, 20319, 20358, 28134, 30218, 30537, 40638, 42201, 45327, 60957, 61074, 84402, 90654, 121914, 135981, 182871, 196417, 271962, 365742, 392834, 407943, 548613, 589251, 815886, 1097226, 1178502, 1223829, 1767753, 2447658, 3535506, 5303259, 10606518, 15909777, 31819554]

約数ペア:

[(1, 31819554), (2, 15909777), (3, 10606518), (6, 5303259), (9, 3535506), (13, 2447658), (18, 1767753), (26, 1223829), (27, 1178502), (29, 1097226), (39, 815886), (54, 589251), (58, 548613), (78, 407943), (81, 392834), (87, 365742), (117, 271962), (162, 196417), (174, 182871), (234, 135981), (261, 121914), (351, 90654), (377, 84402), (521, 61074), (522, 60957), (702, 45327), (754, 42201), (783, 40638), (1042, 30537), (1053, 30218), (1131, 28134), (1563, 20358), (1566, 20319), (2106, 15109), (2262, 14067), (2349, 13546), (3126, 10179), (3393, 9378), (4689, 6786), (4698, 6773)]