128823708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15581}}^1$

素因数の和:15654

約数の個数: 48

約数和(自身を含む): 329839776

約数和(自身を除く): 201016068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 15581, 31162, 46743, 62324, 93486, 186972, 202553, 405106, 607659, 810212, 825793, 1215318, 1651586, 2430636, 2477379, 3303172, 4954758, 9909516, 10735309, 21470618, 32205927, 42941236, 64411854, 128823708]

約数ペア:

[(1, 128823708), (2, 64411854), (3, 42941236), (4, 32205927), (6, 21470618), (12, 10735309), (13, 9909516), (26, 4954758), (39, 3303172), (52, 2477379), (53, 2430636), (78, 1651586), (106, 1215318), (156, 825793), (159, 810212), (212, 607659), (318, 405106), (636, 202553), (689, 186972), (1378, 93486), (2067, 62324), (2756, 46743), (4134, 31162), (8268, 15581)]