205171792

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 470505600

約数和(自身を除く): 265333808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 61, 112, 118, 122, 236, 244, 413, 427, 472, 488, 509, 826, 854, 944, 976, 1018, 1652, 1708, 2036, 3304, 3416, 3563, 3599, 4072, 6608, 6832, 7126, 7198, 8144, 14252, 14396, 25193, 28504, 28792, 30031, 31049, 50386, 57008, 57584, 60062, 62098, 100772, 120124, 124196, 201544, 210217, 217343, 240248, 248392, 403088, 420434, 434686, 480496, 496784, 840868, 869372, 1681736, 1738744, 1831891, 3363472, 3477488, 3663782, 7327564, 12823237, 14655128, 25646474, 29310256, 51292948, 102585896, 205171792]

約数ペア:

[(1, 205171792), (2, 102585896), (4, 51292948), (7, 29310256), (8, 25646474), (14, 14655128), (16, 12823237), (28, 7327564), (56, 3663782), (59, 3477488), (61, 3363472), (112, 1831891), (118, 1738744), (122, 1681736), (236, 869372), (244, 840868), (413, 496784), (427, 480496), (472, 434686), (488, 420434), (509, 403088), (826, 248392), (854, 240248), (944, 217343), (976, 210217), (1018, 201544), (1652, 124196), (1708, 120124), (2036, 100772), (3304, 62098), (3416, 60062), (3563, 57584), (3599, 57008), (4072, 50386), (6608, 31049), (6832, 30031), (7126, 28792), (7198, 28504), (8144, 25193), (14252, 14396)]