2156845992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1255

約数の個数: 128

約数和(自身を含む): 6285004800

約数和(自身を除く): 4128158808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 163, 168, 237, 316, 326, 474, 489, 553, 632, 652, 948, 978, 997, 1106, 1141, 1304, 1659, 1896, 1956, 1994, 2212, 2282, 2991, 3318, 3423, 3912, 3988, 4424, 4564, 5982, 6636, 6846, 6979, 7976, 9128, 11964, 12877, 13272, 13692, 13958, 20937, 23928, 25754, 27384, 27916, 38631, 41874, 51508, 55832, 77262, 78763, 83748, 90139, 103016, 154524, 157526, 162511, 167496, 180278, 236289, 270417, 309048, 315052, 325022, 360556, 472578, 487533, 540834, 551341, 630104, 650044, 721112, 945156, 975066, 1081668, 1102682, 1137577, 1300088, 1654023, 1890312, 1950132, 2163336, 2205364, 2275154, 3308046, 3412731, 3900264, 4410728, 4550308, 6616092, 6825462, 9100616, 12838369, 13232184, 13650924, 25676738, 27301848, 38515107, 51353476, 77030214, 89868583, 102706952, 154060428, 179737166, 269605749, 308120856, 359474332, 539211498, 718948664, 1078422996, 2156845992]

約数ペア:

[(1, 2156845992), (2, 1078422996), (3, 718948664), (4, 539211498), (6, 359474332), (7, 308120856), (8, 269605749), (12, 179737166), (14, 154060428), (21, 102706952), (24, 89868583), (28, 77030214), (42, 51353476), (56, 38515107), (79, 27301848), (84, 25676738), (158, 13650924), (163, 13232184), (168, 12838369), (237, 9100616), (316, 6825462), (326, 6616092), (474, 4550308), (489, 4410728), (553, 3900264), (632, 3412731), (652, 3308046), (948, 2275154), (978, 2205364), (997, 2163336), (1106, 1950132), (1141, 1890312), (1304, 1654023), (1659, 1300088), (1896, 1137577), (1956, 1102682), (1994, 1081668), (2212, 975066), (2282, 945156), (2991, 721112), (3318, 650044), (3423, 630104), (3912, 551341), (3988, 540834), (4424, 487533), (4564, 472578), (5982, 360556), (6636, 325022), (6846, 315052), (6979, 309048), (7976, 270417), (9128, 236289), (11964, 180278), (12877, 167496), (13272, 162511), (13692, 157526), (13958, 154524), (20937, 103016), (23928, 90139), (25754, 83748), (27384, 78763), (27916, 77262), (38631, 55832), (41874, 51508)]