156780988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1731

約数の個数: 72

約数和(自身を含む): 353213952

約数和(自身を除く): 196432964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 259, 364, 481, 518, 637, 962, 1036, 1274, 1663, 1813, 1924, 2548, 3326, 3367, 3626, 6652, 6734, 7252, 11641, 13468, 21619, 23282, 23569, 43238, 46564, 47138, 61531, 81487, 86476, 94276, 123062, 151333, 162974, 246124, 302666, 325948, 430717, 605332, 799903, 861434, 1059331, 1599806, 1722868, 2118662, 3015019, 3199612, 4237324, 5599321, 6030038, 11198642, 12060076, 22397284, 39195247, 78390494, 156780988]

約数ペア:

[(1, 156780988), (2, 78390494), (4, 39195247), (7, 22397284), (13, 12060076), (14, 11198642), (26, 6030038), (28, 5599321), (37, 4237324), (49, 3199612), (52, 3015019), (74, 2118662), (91, 1722868), (98, 1599806), (148, 1059331), (182, 861434), (196, 799903), (259, 605332), (364, 430717), (481, 325948), (518, 302666), (637, 246124), (962, 162974), (1036, 151333), (1274, 123062), (1663, 94276), (1813, 86476), (1924, 81487), (2548, 61531), (3326, 47138), (3367, 46564), (3626, 43238), (6652, 23569), (6734, 23282), (7252, 21619), (11641, 13468)]