261748128

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 714051072

約数和(自身を除く): 452302944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 281, 313, 372, 496, 562, 626, 744, 843, 939, 992, 1124, 1252, 1488, 1686, 1878, 2248, 2504, 2976, 3372, 3756, 4496, 5008, 6744, 7512, 8711, 8992, 9703, 10016, 13488, 15024, 17422, 19406, 26133, 26976, 29109, 30048, 34844, 38812, 52266, 58218, 69688, 77624, 87953, 104532, 116436, 139376, 155248, 175906, 209064, 232872, 263859, 278752, 310496, 351812, 418128, 465744, 527718, 703624, 836256, 931488, 1055436, 1407248, 2110872, 2726543, 2814496, 4221744, 5453086, 8179629, 8443488, 10906172, 16359258, 21812344, 32718516, 43624688, 65437032, 87249376, 130874064, 261748128]

約数ペア:

[(1, 261748128), (2, 130874064), (3, 87249376), (4, 65437032), (6, 43624688), (8, 32718516), (12, 21812344), (16, 16359258), (24, 10906172), (31, 8443488), (32, 8179629), (48, 5453086), (62, 4221744), (93, 2814496), (96, 2726543), (124, 2110872), (186, 1407248), (248, 1055436), (281, 931488), (313, 836256), (372, 703624), (496, 527718), (562, 465744), (626, 418128), (744, 351812), (843, 310496), (939, 278752), (992, 263859), (1124, 232872), (1252, 209064), (1488, 175906), (1686, 155248), (1878, 139376), (2248, 116436), (2504, 104532), (2976, 87953), (3372, 77624), (3756, 69688), (4496, 58218), (5008, 52266), (6744, 38812), (7512, 34844), (8711, 30048), (8992, 29109), (9703, 26976), (10016, 26133), (13488, 19406), (15024, 17422)]