28471690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11527}}^1$

素因数の和:11566

約数の個数: 32

約数和(自身を含む): 58101120

約数和(自身を除く): 29629430

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 11527, 23054, 57635, 115270, 149851, 219013, 299702, 438026, 749255, 1095065, 1498510, 2190130, 2847169, 5694338, 14235845, 28471690]

約数ペア:

[(1, 28471690), (2, 14235845), (5, 5694338), (10, 2847169), (13, 2190130), (19, 1498510), (26, 1095065), (38, 749255), (65, 438026), (95, 299702), (130, 219013), (190, 149851), (247, 115270), (494, 57635), (1235, 23054), (2470, 11527)]