3986141975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 5256330240

約数和(自身を除く): 1270188265

約数列:

[1, 5, 25, 31, 41, 155, 205, 331, 379, 775, 1025, 1271, 1655, 1895, 6355, 8275, 9475, 10261, 11749, 13571, 15539, 31775, 51305, 58745, 67855, 77695, 125449, 256525, 293725, 339275, 388475, 420701, 481709, 627245, 2103505, 2408545, 3136225, 3888919, 5143409, 10517525, 12042725, 19444595, 25717045, 97222975, 128585225, 159445679, 797228395, 3986141975]

約数ペア:

[(1, 3986141975), (5, 797228395), (25, 159445679), (31, 128585225), (41, 97222975), (155, 25717045), (205, 19444595), (331, 12042725), (379, 10517525), (775, 5143409), (1025, 3888919), (1271, 3136225), (1655, 2408545), (1895, 2103505), (6355, 627245), (8275, 481709), (9475, 420701), (10261, 388475), (11749, 339275), (13571, 293725), (15539, 256525), (31775, 125449), (51305, 77695), (58745, 67855)]