28504748

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 54104064

約数和(自身を除く): 25599316

約数列:

[1, 2, 4, 31, 47, 62, 67, 73, 94, 124, 134, 146, 188, 268, 292, 1457, 2077, 2263, 2914, 3149, 3431, 4154, 4526, 4891, 5828, 6298, 6862, 8308, 9052, 9782, 12596, 13724, 19564, 97619, 106361, 151621, 195238, 212722, 229877, 303242, 390476, 425444, 459754, 606484, 919508, 7126187, 14252374, 28504748]

約数ペア:

[(1, 28504748), (2, 14252374), (4, 7126187), (31, 919508), (47, 606484), (62, 459754), (67, 425444), (73, 390476), (94, 303242), (124, 229877), (134, 212722), (146, 195238), (188, 151621), (268, 106361), (292, 97619), (1457, 19564), (2077, 13724), (2263, 12596), (2914, 9782), (3149, 9052), (3431, 8308), (4154, 6862), (4526, 6298), (4891, 5828)]