25193669384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331391}}^1$

素因数の和:331470

約数の個数: 64

約数和(自身を含む): 55117117440

約数和(自身を除く): 29923448056

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 43, 52, 68, 86, 104, 136, 172, 221, 344, 442, 559, 731, 884, 1118, 1462, 1768, 2236, 2924, 4472, 5848, 9503, 19006, 38012, 76024, 331391, 662782, 1325564, 2651128, 4308083, 5633647, 8616166, 11267294, 14249813, 17232332, 22534588, 28499626, 34464664, 45069176, 56999252, 73237411, 113998504, 146474822, 185247569, 242246821, 292949644, 370495138, 484493642, 585899288, 740990276, 968987284, 1481980552, 1937974568, 3149208673, 6298417346, 12596834692, 25193669384]

約数ペア:

[(1, 25193669384), (2, 12596834692), (4, 6298417346), (8, 3149208673), (13, 1937974568), (17, 1481980552), (26, 968987284), (34, 740990276), (43, 585899288), (52, 484493642), (68, 370495138), (86, 292949644), (104, 242246821), (136, 185247569), (172, 146474822), (221, 113998504), (344, 73237411), (442, 56999252), (559, 45069176), (731, 34464664), (884, 28499626), (1118, 22534588), (1462, 17232332), (1768, 14249813), (2236, 11267294), (2924, 8616166), (4472, 5633647), (5848, 4308083), (9503, 2651128), (19006, 1325564), (38012, 662782), (76024, 331391)]