1920995713

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{863}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 2411845632

約数和(自身を除く): 490849919

約数列:

[1, 7, 13, 61, 91, 401, 427, 793, 863, 2807, 5213, 5551, 6041, 11219, 24461, 36491, 52643, 78533, 171227, 317993, 346063, 368501, 684359, 2225951, 2422441, 4498819, 4790513, 21109843, 31491733, 147768901, 274427959, 1920995713]

約数ペア:

[(1, 1920995713), (7, 274427959), (13, 147768901), (61, 31491733), (91, 21109843), (401, 4790513), (427, 4498819), (793, 2422441), (863, 2225951), (2807, 684359), (5213, 368501), (5551, 346063), (6041, 317993), (11219, 171227), (24461, 78533), (36491, 52643)]