39278876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 88976160

約数和(自身を除く): 49697284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 61, 91, 116, 122, 182, 203, 244, 364, 377, 406, 427, 754, 793, 812, 854, 1508, 1586, 1708, 1769, 2639, 3172, 3538, 3721, 5278, 5551, 7076, 7442, 10556, 11102, 12383, 14884, 22204, 22997, 24766, 26047, 45994, 48373, 49532, 52094, 91988, 96746, 104188, 107909, 160979, 193492, 215818, 321958, 338611, 431636, 643916, 677222, 755363, 1354444, 1402817, 1510726, 2805634, 3021452, 5611268, 9819719, 19639438, 39278876]

約数ペア:

[(1, 39278876), (2, 19639438), (4, 9819719), (7, 5611268), (13, 3021452), (14, 2805634), (26, 1510726), (28, 1402817), (29, 1354444), (52, 755363), (58, 677222), (61, 643916), (91, 431636), (116, 338611), (122, 321958), (182, 215818), (203, 193492), (244, 160979), (364, 107909), (377, 104188), (406, 96746), (427, 91988), (754, 52094), (793, 49532), (812, 48373), (854, 45994), (1508, 26047), (1586, 24766), (1708, 22997), (1769, 22204), (2639, 14884), (3172, 12383), (3538, 11102), (3721, 10556), (5278, 7442), (5551, 7076)]