81115195390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{953}}^1\times {\mathrm{1291}}^1$

素因数の和:2617

約数の個数: 64

約数和(自身を含む): 154416119040

約数和(自身を除く): 73300923650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 347, 694, 953, 1291, 1735, 1906, 2582, 3470, 4765, 6455, 6593, 9530, 12910, 13186, 18107, 24529, 32965, 36214, 49058, 65930, 90535, 122645, 181070, 245290, 330691, 447977, 661382, 895954, 1230323, 1653455, 2239885, 2460646, 3306910, 4479770, 6151615, 6283129, 8511563, 12303230, 12566258, 17023126, 23376137, 31415645, 42557815, 46752274, 62831290, 85115630, 116880685, 233761370, 426922081, 853844162, 2134610405, 4269220810, 8111519539, 16223039078, 40557597695, 81115195390]

約数ペア:

[(1, 81115195390), (2, 40557597695), (5, 16223039078), (10, 8111519539), (19, 4269220810), (38, 2134610405), (95, 853844162), (190, 426922081), (347, 233761370), (694, 116880685), (953, 85115630), (1291, 62831290), (1735, 46752274), (1906, 42557815), (2582, 31415645), (3470, 23376137), (4765, 17023126), (6455, 12566258), (6593, 12303230), (9530, 8511563), (12910, 6283129), (13186, 6151615), (18107, 4479770), (24529, 3306910), (32965, 2460646), (36214, 2239885), (49058, 1653455), (65930, 1230323), (90535, 895954), (122645, 661382), (181070, 447977), (245290, 330691)]