393328994

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 649150848

約数和(自身を除く): 255821854

約数列:

[1, 2, 19, 38, 47, 67, 94, 134, 173, 346, 361, 722, 893, 1273, 1786, 2546, 3149, 3287, 6298, 6574, 8131, 11591, 16262, 16967, 23182, 24187, 33934, 48374, 59831, 62453, 119662, 124906, 154489, 220229, 308978, 440458, 544777, 1089554, 1136789, 2273578, 2935291, 4184351, 5870582, 8368702, 10350763, 20701526, 196664497, 393328994]

約数ペア:

[(1, 393328994), (2, 196664497), (19, 20701526), (38, 10350763), (47, 8368702), (67, 5870582), (94, 4184351), (134, 2935291), (173, 2273578), (346, 1136789), (361, 1089554), (722, 544777), (893, 440458), (1273, 308978), (1786, 220229), (2546, 154489), (3149, 124906), (3287, 119662), (6298, 62453), (6574, 59831), (8131, 48374), (11591, 33934), (16262, 24187), (16967, 23182)]