127907728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 287700336

約数和(自身を除く): 159792608

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 61, 68, 104, 122, 136, 208, 221, 244, 272, 442, 488, 593, 793, 884, 976, 1037, 1186, 1586, 1768, 2074, 2372, 3172, 3536, 4148, 4744, 6344, 7709, 8296, 9488, 10081, 12688, 13481, 15418, 16592, 20162, 26962, 30836, 36173, 40324, 53924, 61672, 72346, 80648, 107848, 123344, 131053, 144692, 161296, 215696, 262106, 289384, 470249, 524212, 578768, 614941, 940498, 1048424, 1229882, 1880996, 2096848, 2459764, 3761992, 4919528, 7523984, 7994233, 9839056, 15988466, 31976932, 63953864, 127907728]

約数ペア:

[(1, 127907728), (2, 63953864), (4, 31976932), (8, 15988466), (13, 9839056), (16, 7994233), (17, 7523984), (26, 4919528), (34, 3761992), (52, 2459764), (61, 2096848), (68, 1880996), (104, 1229882), (122, 1048424), (136, 940498), (208, 614941), (221, 578768), (244, 524212), (272, 470249), (442, 289384), (488, 262106), (593, 215696), (793, 161296), (884, 144692), (976, 131053), (1037, 123344), (1186, 107848), (1586, 80648), (1768, 72346), (2074, 61672), (2372, 53924), (3172, 40324), (3536, 36173), (4148, 30836), (4744, 26962), (6344, 20162), (7709, 16592), (8296, 15418), (9488, 13481), (10081, 12688)]