83487890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1297}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 155043504

約数和(自身を除く): 71555614

約数列:

[1, 2, 5, 10, 41, 82, 157, 205, 314, 410, 785, 1297, 1570, 2594, 6437, 6485, 12874, 12970, 32185, 53177, 64370, 106354, 203629, 265885, 407258, 531770, 1018145, 2036290, 8348789, 16697578, 41743945, 83487890]

約数ペア:

[(1, 83487890), (2, 41743945), (5, 16697578), (10, 8348789), (41, 2036290), (82, 1018145), (157, 531770), (205, 407258), (314, 265885), (410, 203629), (785, 106354), (1297, 64370), (1570, 53177), (2594, 32185), (6437, 12970), (6485, 12874)]