81831984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:882

約数の個数: 80

約数和(自身を含む): 229152000

約数和(自身を除く): 147320016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 199, 208, 312, 398, 597, 624, 659, 796, 1194, 1318, 1592, 1977, 2388, 2587, 2636, 3184, 3954, 4776, 5174, 5272, 7761, 7908, 8567, 9552, 10348, 10544, 15522, 15816, 17134, 20696, 25701, 31044, 31632, 34268, 41392, 51402, 62088, 68536, 102804, 124176, 131141, 137072, 205608, 262282, 393423, 411216, 524564, 786846, 1049128, 1573692, 1704833, 2098256, 3147384, 3409666, 5114499, 6294768, 6819332, 10228998, 13638664, 20457996, 27277328, 40915992, 81831984]

約数ペア:

[(1, 81831984), (2, 40915992), (3, 27277328), (4, 20457996), (6, 13638664), (8, 10228998), (12, 6819332), (13, 6294768), (16, 5114499), (24, 3409666), (26, 3147384), (39, 2098256), (48, 1704833), (52, 1573692), (78, 1049128), (104, 786846), (156, 524564), (199, 411216), (208, 393423), (312, 262282), (398, 205608), (597, 137072), (624, 131141), (659, 124176), (796, 102804), (1194, 68536), (1318, 62088), (1592, 51402), (1977, 41392), (2388, 34268), (2587, 31632), (2636, 31044), (3184, 25701), (3954, 20696), (4776, 17134), (5174, 15816), (5272, 15522), (7761, 10544), (7908, 10348), (8567, 9552)]