642444416

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 1465128000

約数和(自身を除く): 822683584

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 41, 64, 68, 76, 82, 128, 136, 152, 164, 272, 304, 323, 328, 379, 544, 608, 646, 656, 697, 758, 779, 1088, 1216, 1292, 1312, 1394, 1516, 1558, 2176, 2432, 2584, 2624, 2788, 3032, 3116, 5168, 5248, 5576, 6064, 6232, 6443, 7201, 10336, 11152, 12128, 12464, 12886, 13243, 14402, 15539, 20672, 22304, 24256, 24928, 25772, 26486, 28804, 31078, 41344, 44608, 48512, 49856, 51544, 52972, 57608, 62156, 89216, 99712, 103088, 105944, 115216, 122417, 124312, 206176, 211888, 230432, 244834, 248624, 264163, 295241, 412352, 423776, 460864, 489668, 497248, 528326, 590482, 824704, 847552, 921728, 979336, 994496, 1056652, 1180964, 1695104, 1958672, 1988992, 2113304, 2361928, 3917344, 4226608, 4723856, 5019097, 7834688, 8453216, 9447712, 10038194, 15669376, 16906432, 18895424, 20076388, 33812864, 37790848, 40152776, 80305552, 160611104, 321222208, 642444416]

約数ペア:

[(1, 642444416), (2, 321222208), (4, 160611104), (8, 80305552), (16, 40152776), (17, 37790848), (19, 33812864), (32, 20076388), (34, 18895424), (38, 16906432), (41, 15669376), (64, 10038194), (68, 9447712), (76, 8453216), (82, 7834688), (128, 5019097), (136, 4723856), (152, 4226608), (164, 3917344), (272, 2361928), (304, 2113304), (323, 1988992), (328, 1958672), (379, 1695104), (544, 1180964), (608, 1056652), (646, 994496), (656, 979336), (697, 921728), (758, 847552), (779, 824704), (1088, 590482), (1216, 528326), (1292, 497248), (1312, 489668), (1394, 460864), (1516, 423776), (1558, 412352), (2176, 295241), (2432, 264163), (2584, 248624), (2624, 244834), (2788, 230432), (3032, 211888), (3116, 206176), (5168, 124312), (5248, 122417), (5576, 115216), (6064, 105944), (6232, 103088), (6443, 99712), (7201, 89216), (10336, 62156), (11152, 57608), (12128, 52972), (12464, 51544), (12886, 49856), (13243, 48512), (14402, 44608), (15539, 41344), (20672, 31078), (22304, 28804), (24256, 26486), (24928, 25772)]