178127508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{3163}}^1$

素因数の和:3221

約数の個数: 72

約数和(自身を含む): 472549728

約数和(自身を除く): 294422220

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 361, 494, 722, 741, 988, 1083, 1444, 1482, 2166, 2964, 3163, 4332, 4693, 6326, 9386, 9489, 12652, 14079, 18772, 18978, 28158, 37956, 41119, 56316, 60097, 82238, 120194, 123357, 164476, 180291, 240388, 246714, 360582, 493428, 721164, 781261, 1141843, 1562522, 2283686, 2343783, 3125044, 3425529, 4567372, 4687566, 6851058, 9375132, 13702116, 14843959, 29687918, 44531877, 59375836, 89063754, 178127508]

約数ペア:

[(1, 178127508), (2, 89063754), (3, 59375836), (4, 44531877), (6, 29687918), (12, 14843959), (13, 13702116), (19, 9375132), (26, 6851058), (38, 4687566), (39, 4567372), (52, 3425529), (57, 3125044), (76, 2343783), (78, 2283686), (114, 1562522), (156, 1141843), (228, 781261), (247, 721164), (361, 493428), (494, 360582), (722, 246714), (741, 240388), (988, 180291), (1083, 164476), (1444, 123357), (1482, 120194), (2166, 82238), (2964, 60097), (3163, 56316), (4332, 41119), (4693, 37956), (6326, 28158), (9386, 18978), (9489, 18772), (12652, 14079)]