520021304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 1092787200

約数和(自身を除く): 572765896

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 89, 134, 178, 268, 356, 536, 712, 737, 979, 991, 1474, 1958, 1982, 2948, 3916, 3964, 5896, 5963, 7832, 7928, 10901, 11926, 21802, 23852, 43604, 47704, 65593, 66397, 87208, 88199, 131186, 132794, 176398, 262372, 265588, 352796, 524744, 531176, 705592, 730367, 970189, 1460734, 1940378, 2921468, 3880756, 5842936, 5909333, 7761512, 11818666, 23637332, 47274664, 65002663, 130005326, 260010652, 520021304]

約数ペア:

[(1, 520021304), (2, 260010652), (4, 130005326), (8, 65002663), (11, 47274664), (22, 23637332), (44, 11818666), (67, 7761512), (88, 5909333), (89, 5842936), (134, 3880756), (178, 2921468), (268, 1940378), (356, 1460734), (536, 970189), (712, 730367), (737, 705592), (979, 531176), (991, 524744), (1474, 352796), (1958, 265588), (1982, 262372), (2948, 176398), (3916, 132794), (3964, 131186), (5896, 88199), (5963, 87208), (7832, 66397), (7928, 65593), (10901, 47704), (11926, 43604), (21802, 23852)]