398884902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 880287744

約数和(自身を除く): 481402842

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 127, 134, 201, 254, 381, 402, 601, 762, 871, 1202, 1651, 1742, 1803, 2613, 3302, 3606, 4953, 5226, 7813, 8509, 9906, 15626, 17018, 23439, 25527, 40267, 46878, 51054, 76327, 80534, 110617, 120801, 152654, 221234, 228981, 241602, 331851, 457962, 523471, 663702, 992251, 1046942, 1570413, 1984502, 2976753, 3140826, 5113909, 5953506, 10227818, 15341727, 30683454, 66480817, 132961634, 199442451, 398884902]

約数ペア:

[(1, 398884902), (2, 199442451), (3, 132961634), (6, 66480817), (13, 30683454), (26, 15341727), (39, 10227818), (67, 5953506), (78, 5113909), (127, 3140826), (134, 2976753), (201, 1984502), (254, 1570413), (381, 1046942), (402, 992251), (601, 663702), (762, 523471), (871, 457962), (1202, 331851), (1651, 241602), (1742, 228981), (1803, 221234), (2613, 152654), (3302, 120801), (3606, 110617), (4953, 80534), (5226, 76327), (7813, 51054), (8509, 46878), (9906, 40267), (15626, 25527), (17018, 23439)]