25131678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1769

約数の個数: 64

約数和(自身を含む): 62560512

約数和(自身を除く): 37428834

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 143, 187, 221, 286, 374, 429, 442, 561, 663, 858, 1122, 1326, 1723, 2431, 3446, 4862, 5169, 7293, 10338, 14586, 18953, 22399, 29291, 37906, 44798, 56859, 58582, 67197, 87873, 113718, 134394, 175746, 246389, 322201, 380783, 492778, 644402, 739167, 761566, 966603, 1142349, 1478334, 1933206, 2284698, 4188613, 8377226, 12565839, 25131678]

約数ペア:

[(1, 25131678), (2, 12565839), (3, 8377226), (6, 4188613), (11, 2284698), (13, 1933206), (17, 1478334), (22, 1142349), (26, 966603), (33, 761566), (34, 739167), (39, 644402), (51, 492778), (66, 380783), (78, 322201), (102, 246389), (143, 175746), (187, 134394), (221, 113718), (286, 87873), (374, 67197), (429, 58582), (442, 56859), (561, 44798), (663, 37906), (858, 29291), (1122, 22399), (1326, 18953), (1723, 14586), (2431, 10338), (3446, 7293), (4862, 5169)]