28704636

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 80458560

約数和(自身を除く): 51753924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 89, 93, 102, 124, 153, 178, 186, 204, 267, 279, 289, 306, 356, 372, 527, 534, 558, 578, 612, 801, 867, 1054, 1068, 1116, 1156, 1513, 1581, 1602, 1734, 2108, 2601, 2759, 3026, 3162, 3204, 3468, 4539, 4743, 5202, 5518, 6052, 6324, 8277, 8959, 9078, 9486, 10404, 11036, 13617, 16554, 17918, 18156, 18972, 24831, 25721, 26877, 27234, 33108, 35836, 46903, 49662, 51442, 53754, 54468, 77163, 80631, 93806, 99324, 102884, 107508, 140709, 154326, 161262, 187612, 231489, 281418, 308652, 322524, 422127, 462978, 562836, 797351, 844254, 925956, 1594702, 1688508, 2392053, 3189404, 4784106, 7176159, 9568212, 14352318, 28704636]

約数ペア:

[(1, 28704636), (2, 14352318), (3, 9568212), (4, 7176159), (6, 4784106), (9, 3189404), (12, 2392053), (17, 1688508), (18, 1594702), (31, 925956), (34, 844254), (36, 797351), (51, 562836), (62, 462978), (68, 422127), (89, 322524), (93, 308652), (102, 281418), (124, 231489), (153, 187612), (178, 161262), (186, 154326), (204, 140709), (267, 107508), (279, 102884), (289, 99324), (306, 93806), (356, 80631), (372, 77163), (527, 54468), (534, 53754), (558, 51442), (578, 49662), (612, 46903), (801, 35836), (867, 33108), (1054, 27234), (1068, 26877), (1116, 25721), (1156, 24831), (1513, 18972), (1581, 18156), (1602, 17918), (1734, 16554), (2108, 13617), (2601, 11036), (2759, 10404), (3026, 9486), (3162, 9078), (3204, 8959), (3468, 8277), (4539, 6324), (4743, 6052), (5202, 5518)]