138923648

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 288798720

約数和(自身を除く): 149875072

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 157, 223, 248, 314, 446, 496, 628, 892, 992, 1256, 1784, 1984, 2512, 3568, 3968, 4867, 5024, 6913, 7136, 9734, 10048, 13826, 14272, 19468, 20096, 27652, 28544, 35011, 38936, 55304, 70022, 77872, 110608, 140044, 155744, 221216, 280088, 311488, 442432, 560176, 622976, 884864, 1085341, 1120352, 2170682, 2240704, 4341364, 4481408, 8682728, 17365456, 34730912, 69461824, 138923648]

約数ペア:

[(1, 138923648), (2, 69461824), (4, 34730912), (8, 17365456), (16, 8682728), (31, 4481408), (32, 4341364), (62, 2240704), (64, 2170682), (124, 1120352), (128, 1085341), (157, 884864), (223, 622976), (248, 560176), (314, 442432), (446, 311488), (496, 280088), (628, 221216), (892, 155744), (992, 140044), (1256, 110608), (1784, 77872), (1984, 70022), (2512, 55304), (3568, 38936), (3968, 35011), (4867, 28544), (5024, 27652), (6913, 20096), (7136, 19468), (9734, 14272), (10048, 13826)]