16456755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 32394240

約数和(自身を除く): 15937485

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 95, 105, 113, 133, 219, 285, 339, 365, 399, 511, 565, 665, 791, 1095, 1387, 1533, 1695, 1995, 2147, 2373, 2555, 3955, 4161, 6441, 6935, 7665, 8249, 9709, 10735, 11865, 15029, 20805, 24747, 29127, 32205, 41245, 45087, 48545, 57743, 75145, 123735, 145635, 156731, 173229, 225435, 288715, 470193, 783655, 866145, 1097117, 2350965, 3291351, 5485585, 16456755]

約数ペア:

[(1, 16456755), (3, 5485585), (5, 3291351), (7, 2350965), (15, 1097117), (19, 866145), (21, 783655), (35, 470193), (57, 288715), (73, 225435), (95, 173229), (105, 156731), (113, 145635), (133, 123735), (219, 75145), (285, 57743), (339, 48545), (365, 45087), (399, 41245), (511, 32205), (565, 29127), (665, 24747), (791, 20805), (1095, 15029), (1387, 11865), (1533, 10735), (1695, 9709), (1995, 8249), (2147, 7665), (2373, 6935), (2555, 6441), (3955, 4161)]