31390476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6491}}^1$

素因数の和:6542

約数の個数: 48

約数和(自身を含む): 81435648

約数和(自身を除く): 50045172

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 6491, 12982, 19473, 25964, 38946, 77892, 84383, 168766, 201221, 253149, 337532, 402442, 506298, 603663, 804884, 1012596, 1207326, 2414652, 2615873, 5231746, 7847619, 10463492, 15695238, 31390476]

約数ペア:

[(1, 31390476), (2, 15695238), (3, 10463492), (4, 7847619), (6, 5231746), (12, 2615873), (13, 2414652), (26, 1207326), (31, 1012596), (39, 804884), (52, 603663), (62, 506298), (78, 402442), (93, 337532), (124, 253149), (156, 201221), (186, 168766), (372, 84383), (403, 77892), (806, 38946), (1209, 25964), (1612, 19473), (2418, 12982), (4836, 6491)]