31131516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 78702624

約数和(自身を除く): 47571108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 788, 1013, 1182, 2026, 2364, 2561, 3039, 4052, 5122, 6078, 7683, 10244, 12156, 13169, 15366, 26338, 30732, 39507, 52676, 79014, 158028, 199561, 399122, 598683, 798244, 1197366, 2394732, 2594293, 5188586, 7782879, 10377172, 15565758, 31131516]

約数ペア:

[(1, 31131516), (2, 15565758), (3, 10377172), (4, 7782879), (6, 5188586), (12, 2594293), (13, 2394732), (26, 1197366), (39, 798244), (52, 598683), (78, 399122), (156, 199561), (197, 158028), (394, 79014), (591, 52676), (788, 39507), (1013, 30732), (1182, 26338), (2026, 15366), (2364, 13169), (2561, 12156), (3039, 10244), (4052, 7683), (5122, 6078)]