28250508

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 78688512

約数和(自身を除く): 50438004

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 101, 132, 143, 156, 163, 202, 286, 303, 326, 404, 429, 489, 572, 606, 652, 858, 978, 1111, 1212, 1313, 1716, 1793, 1956, 2119, 2222, 2626, 3333, 3586, 3939, 4238, 4444, 5252, 5379, 6357, 6666, 7172, 7878, 8476, 10758, 12714, 13332, 14443, 15756, 16463, 21516, 23309, 25428, 28886, 32926, 43329, 46618, 49389, 57772, 65852, 69927, 86658, 93236, 98778, 139854, 173316, 181093, 197556, 214019, 279708, 362186, 428038, 543279, 642057, 724372, 856076, 1086558, 1284114, 2173116, 2354209, 2568228, 4708418, 7062627, 9416836, 14125254, 28250508]

約数ペア:

[(1, 28250508), (2, 14125254), (3, 9416836), (4, 7062627), (6, 4708418), (11, 2568228), (12, 2354209), (13, 2173116), (22, 1284114), (26, 1086558), (33, 856076), (39, 724372), (44, 642057), (52, 543279), (66, 428038), (78, 362186), (101, 279708), (132, 214019), (143, 197556), (156, 181093), (163, 173316), (202, 139854), (286, 98778), (303, 93236), (326, 86658), (404, 69927), (429, 65852), (489, 57772), (572, 49389), (606, 46618), (652, 43329), (858, 32926), (978, 28886), (1111, 25428), (1212, 23309), (1313, 21516), (1716, 16463), (1793, 15756), (1956, 14443), (2119, 13332), (2222, 12714), (2626, 10758), (3333, 8476), (3586, 7878), (3939, 7172), (4238, 6666), (4444, 6357), (5252, 5379)]