1991569456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{811}}^1\times {\mathrm{4951}}^1$

素因数の和:5801

約数の個数: 40

約数和(自身を含む): 3988855808

約数和(自身を除く): 1997286352

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 811, 1622, 3244, 4951, 6488, 9902, 12976, 19804, 25141, 39608, 50282, 79216, 100564, 153481, 201128, 306962, 402256, 613924, 1227848, 2455696, 4015261, 8030522, 16061044, 32122088, 64244176, 124473091, 248946182, 497892364, 995784728, 1991569456]

約数ペア:

[(1, 1991569456), (2, 995784728), (4, 497892364), (8, 248946182), (16, 124473091), (31, 64244176), (62, 32122088), (124, 16061044), (248, 8030522), (496, 4015261), (811, 2455696), (1622, 1227848), (3244, 613924), (4951, 402256), (6488, 306962), (9902, 201128), (12976, 153481), (19804, 100564), (25141, 79216), (39608, 50282)]