254131366

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 405699840

約数和(自身を除く): 151568474

約数列:

[1, 2, 31, 41, 62, 82, 257, 389, 514, 778, 1271, 2542, 7967, 10537, 12059, 15934, 15949, 21074, 24118, 31898, 99973, 199946, 326647, 494419, 653294, 988838, 3099163, 4098893, 6198326, 8197786, 127065683, 254131366]

約数ペア:

[(1, 254131366), (2, 127065683), (31, 8197786), (41, 6198326), (62, 4098893), (82, 3099163), (257, 988838), (389, 653294), (514, 494419), (778, 326647), (1271, 199946), (2542, 99973), (7967, 31898), (10537, 24118), (12059, 21074), (15934, 15949)]