198804580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4691}}^1$

素因数の和:4876

約数の個数: 48

約数和(自身を含む): 452458944

約数和(自身を除く): 253654364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1630, 2119, 3260, 4238, 4691, 8476, 9382, 10595, 18764, 21190, 23455, 42380, 46910, 60983, 93820, 121966, 243932, 304915, 609830, 764633, 1219660, 1529266, 3058532, 3823165, 7646330, 9940229, 15292660, 19880458, 39760916, 49701145, 99402290, 198804580]

約数ペア:

[(1, 198804580), (2, 99402290), (4, 49701145), (5, 39760916), (10, 19880458), (13, 15292660), (20, 9940229), (26, 7646330), (52, 3823165), (65, 3058532), (130, 1529266), (163, 1219660), (260, 764633), (326, 609830), (652, 304915), (815, 243932), (1630, 121966), (2119, 93820), (3260, 60983), (4238, 46910), (4691, 42380), (8476, 23455), (9382, 21190), (10595, 18764)]