64686128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1013}}^1$

素因数の和:1341

約数の個数: 40

約数和(自身を含む): 135543408

約数和(自身を除く): 70857280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307, 614, 1013, 1228, 2026, 2456, 3991, 4052, 4912, 7982, 8104, 13169, 15964, 16208, 26338, 31928, 52676, 63856, 105352, 210704, 310991, 621982, 1243964, 2487928, 4042883, 4975856, 8085766, 16171532, 32343064, 64686128]

約数ペア:

[(1, 64686128), (2, 32343064), (4, 16171532), (8, 8085766), (13, 4975856), (16, 4042883), (26, 2487928), (52, 1243964), (104, 621982), (208, 310991), (307, 210704), (614, 105352), (1013, 63856), (1228, 52676), (2026, 31928), (2456, 26338), (3991, 16208), (4052, 15964), (4912, 13169), (7982, 8104)]