254081984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16073}}^1$

素因数の和:16117

約数の個数: 56

約数和(自身を含む): 571591440

約数和(自身を除く): 317509456

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 16073, 32146, 64292, 128584, 208949, 257168, 305387, 417898, 514336, 610774, 835796, 1028672, 1221548, 1671592, 2443096, 3343184, 3970031, 4886192, 6686368, 7940062, 9772384, 13372736, 15880124, 19544768, 31760248, 63520496, 127040992, 254081984]

約数ペア:

[(1, 254081984), (2, 127040992), (4, 63520496), (8, 31760248), (13, 19544768), (16, 15880124), (19, 13372736), (26, 9772384), (32, 7940062), (38, 6686368), (52, 4886192), (64, 3970031), (76, 3343184), (104, 2443096), (152, 1671592), (208, 1221548), (247, 1028672), (304, 835796), (416, 610774), (494, 514336), (608, 417898), (832, 305387), (988, 257168), (1216, 208949), (1976, 128584), (3952, 64292), (7904, 32146), (15808, 16073)]