245686128

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{72091}}^1$

素因数の和:72173

約数の個数: 40

約数和(自身を含む): 643637376

約数和(自身を除く): 397951248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 72091, 144182, 216273, 288364, 432546, 576728, 865092, 1153456, 1730184, 3460368, 5118461, 10236922, 15355383, 20473844, 30710766, 40947688, 61421532, 81895376, 122843064, 245686128]

約数ペア:

[(1, 245686128), (2, 122843064), (3, 81895376), (4, 61421532), (6, 40947688), (8, 30710766), (12, 20473844), (16, 15355383), (24, 10236922), (48, 5118461), (71, 3460368), (142, 1730184), (213, 1153456), (284, 865092), (426, 576728), (568, 432546), (852, 288364), (1136, 216273), (1704, 144182), (3408, 72091)]