31282812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 86918832

約数和(自身を除く): 55636020

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 394, 396, 401, 591, 788, 802, 1182, 1203, 1604, 1773, 2167, 2364, 2406, 3546, 3609, 4334, 4411, 4812, 6501, 7092, 7218, 8668, 8822, 13002, 13233, 14436, 17644, 19503, 26004, 26466, 39006, 39699, 52932, 78012, 78997, 79398, 157994, 158796, 236991, 315988, 473982, 710973, 868967, 947964, 1421946, 1737934, 2606901, 2843892, 3475868, 5213802, 7820703, 10427604, 15641406, 31282812]

約数ペア:

[(1, 31282812), (2, 15641406), (3, 10427604), (4, 7820703), (6, 5213802), (9, 3475868), (11, 2843892), (12, 2606901), (18, 1737934), (22, 1421946), (33, 947964), (36, 868967), (44, 710973), (66, 473982), (99, 315988), (132, 236991), (197, 158796), (198, 157994), (394, 79398), (396, 78997), (401, 78012), (591, 52932), (788, 39699), (802, 39006), (1182, 26466), (1203, 26004), (1604, 19503), (1773, 17644), (2167, 14436), (2364, 13233), (2406, 13002), (3546, 8822), (3609, 8668), (4334, 7218), (4411, 7092), (4812, 6501)]