189378895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 253093248

約数和(自身を除く): 63714353

約数列:

[1, 5, 17, 23, 85, 115, 157, 391, 617, 785, 1955, 2669, 3085, 3611, 10489, 13345, 14191, 18055, 52445, 61387, 70955, 96869, 241247, 306935, 484345, 1206235, 1646773, 2227987, 8233865, 11139935, 37875779, 189378895]

約数ペア:

[(1, 189378895), (5, 37875779), (17, 11139935), (23, 8233865), (85, 2227987), (115, 1646773), (157, 1206235), (391, 484345), (617, 306935), (785, 241247), (1955, 96869), (2669, 70955), (3085, 61387), (3611, 52445), (10489, 18055), (13345, 14191)]