42321890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 85954176

約数和(自身を除く): 43632286

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 67, 86, 113, 130, 134, 215, 226, 335, 430, 559, 565, 670, 871, 1118, 1130, 1469, 1742, 2795, 2881, 2938, 4355, 4859, 5590, 5762, 7345, 7571, 8710, 9718, 14405, 14690, 15142, 24295, 28810, 37453, 37855, 48590, 63167, 74906, 75710, 98423, 126334, 187265, 196846, 315835, 325553, 374530, 492115, 631670, 651106, 984230, 1627765, 3255530, 4232189, 8464378, 21160945, 42321890]

約数ペア:

[(1, 42321890), (2, 21160945), (5, 8464378), (10, 4232189), (13, 3255530), (26, 1627765), (43, 984230), (65, 651106), (67, 631670), (86, 492115), (113, 374530), (130, 325553), (134, 315835), (215, 196846), (226, 187265), (335, 126334), (430, 98423), (559, 75710), (565, 74906), (670, 63167), (871, 48590), (1118, 37855), (1130, 37453), (1469, 28810), (1742, 24295), (2795, 15142), (2881, 14690), (2938, 14405), (4355, 9718), (4859, 8710), (5590, 7571), (5762, 7345)]