128959688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 317520000

約数和(自身を除く): 188560312

約数列:

[1, 2, 4, 8, 11, 13, 17, 19, 22, 26, 34, 38, 44, 52, 68, 76, 88, 104, 136, 143, 152, 187, 209, 221, 247, 286, 323, 349, 374, 418, 442, 494, 572, 646, 698, 748, 836, 884, 988, 1144, 1292, 1396, 1496, 1672, 1768, 1976, 2431, 2584, 2717, 2792, 3553, 3839, 4199, 4537, 4862, 5434, 5933, 6631, 7106, 7678, 8398, 9074, 9724, 10868, 11866, 13262, 14212, 15356, 16796, 18148, 19448, 21736, 23732, 26524, 28424, 30712, 33592, 36296, 46189, 47464, 49907, 53048, 65263, 72941, 77129, 86203, 92378, 99814, 112727, 130526, 145882, 154258, 172406, 184756, 199628, 225454, 261052, 291764, 308516, 344812, 369512, 399256, 450908, 522104, 583528, 617032, 689624, 848419, 901816, 948233, 1239997, 1465451, 1696838, 1896466, 2479994, 2930902, 3393676, 3792932, 4959988, 5861804, 6787352, 7585864, 9919976, 11723608, 16119961, 32239922, 64479844, 128959688]

約数ペア:

[(1, 128959688), (2, 64479844), (4, 32239922), (8, 16119961), (11, 11723608), (13, 9919976), (17, 7585864), (19, 6787352), (22, 5861804), (26, 4959988), (34, 3792932), (38, 3393676), (44, 2930902), (52, 2479994), (68, 1896466), (76, 1696838), (88, 1465451), (104, 1239997), (136, 948233), (143, 901816), (152, 848419), (187, 689624), (209, 617032), (221, 583528), (247, 522104), (286, 450908), (323, 399256), (349, 369512), (374, 344812), (418, 308516), (442, 291764), (494, 261052), (572, 225454), (646, 199628), (698, 184756), (748, 172406), (836, 154258), (884, 145882), (988, 130526), (1144, 112727), (1292, 99814), (1396, 92378), (1496, 86203), (1672, 77129), (1768, 72941), (1976, 65263), (2431, 53048), (2584, 49907), (2717, 47464), (2792, 46189), (3553, 36296), (3839, 33592), (4199, 30712), (4537, 28424), (4862, 26524), (5434, 23732), (5933, 21736), (6631, 19448), (7106, 18148), (7678, 16796), (8398, 15356), (9074, 14212), (9724, 13262), (10868, 11866)]