128439349376

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{5227}}^1\times {\mathrm{14767}}^1$

素因数の和:20021

約数の個数: 64

約数和(自身を含む): 275629361280

約数和(自身を除く): 147190011904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 5227, 10454, 14767, 20908, 29534, 41816, 59068, 67951, 83632, 118136, 135902, 167264, 191971, 236272, 271804, 334528, 383942, 472544, 543608, 669056, 767884, 945088, 1087216, 1535768, 1890176, 2174432, 3071536, 4348864, 6143072, 8697728, 12286144, 24572288, 77187109, 154374218, 308748436, 617496872, 1003432417, 1234993744, 2006864834, 2469987488, 4013729668, 4939974976, 8027459336, 9879949952, 16054918672, 32109837344, 64219674688, 128439349376]

約数ペア:

[(1, 128439349376), (2, 64219674688), (4, 32109837344), (8, 16054918672), (13, 9879949952), (16, 8027459336), (26, 4939974976), (32, 4013729668), (52, 2469987488), (64, 2006864834), (104, 1234993744), (128, 1003432417), (208, 617496872), (416, 308748436), (832, 154374218), (1664, 77187109), (5227, 24572288), (10454, 12286144), (14767, 8697728), (20908, 6143072), (29534, 4348864), (41816, 3071536), (59068, 2174432), (67951, 1890176), (83632, 1535768), (118136, 1087216), (135902, 945088), (167264, 767884), (191971, 669056), (236272, 543608), (271804, 472544), (334528, 383942)]