280486986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 623185920

約数和(自身を除く): 342698934

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 229, 246, 383, 458, 533, 687, 766, 1066, 1149, 1374, 1599, 2298, 2977, 3198, 4979, 5954, 8931, 9389, 9958, 14937, 15703, 17862, 18778, 28167, 29874, 31406, 47109, 56334, 87707, 94218, 122057, 175414, 204139, 244114, 263121, 366171, 408278, 526242, 612417, 732342, 1140191, 1224834, 2280382, 3420573, 3595987, 6841146, 7191974, 10787961, 21575922, 46747831, 93495662, 140243493, 280486986]

約数ペア:

[(1, 280486986), (2, 140243493), (3, 93495662), (6, 46747831), (13, 21575922), (26, 10787961), (39, 7191974), (41, 6841146), (78, 3595987), (82, 3420573), (123, 2280382), (229, 1224834), (246, 1140191), (383, 732342), (458, 612417), (533, 526242), (687, 408278), (766, 366171), (1066, 263121), (1149, 244114), (1374, 204139), (1599, 175414), (2298, 122057), (2977, 94218), (3198, 87707), (4979, 56334), (5954, 47109), (8931, 31406), (9389, 29874), (9958, 28167), (14937, 18778), (15703, 17862)]