64397788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 144291840

約数和(自身を除く): 79894052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 439, 676, 806, 868, 878, 1183, 1612, 1756, 2366, 2821, 3073, 4732, 5239, 5642, 5707, 6146, 10478, 11284, 11414, 12292, 13609, 20956, 22828, 27218, 36673, 39949, 54436, 73346, 74191, 79898, 95263, 146692, 148382, 159796, 176917, 190526, 296764, 353834, 381052, 519337, 707668, 1038674, 1238419, 2077348, 2299921, 2476838, 4599842, 4953676, 9199684, 16099447, 32198894, 64397788]

約数ペア:

[(1, 64397788), (2, 32198894), (4, 16099447), (7, 9199684), (13, 4953676), (14, 4599842), (26, 2476838), (28, 2299921), (31, 2077348), (52, 1238419), (62, 1038674), (91, 707668), (124, 519337), (169, 381052), (182, 353834), (217, 296764), (338, 190526), (364, 176917), (403, 159796), (434, 148382), (439, 146692), (676, 95263), (806, 79898), (868, 74191), (878, 73346), (1183, 54436), (1612, 39949), (1756, 36673), (2366, 27218), (2821, 22828), (3073, 20956), (4732, 13609), (5239, 12292), (5642, 11414), (5707, 11284), (6146, 10478)]