31579782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 73543680

約数和(自身を除く): 41963898

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 174, 299, 377, 598, 607, 667, 754, 897, 1131, 1214, 1334, 1794, 1821, 2001, 2262, 3642, 4002, 7891, 8671, 13961, 15782, 17342, 17603, 23673, 26013, 27922, 35206, 41883, 47346, 52026, 52809, 83766, 105618, 181493, 228839, 362986, 404869, 457678, 544479, 686517, 809738, 1088958, 1214607, 1373034, 2429214, 5263297, 10526594, 15789891, 31579782]

約数ペア:

[(1, 31579782), (2, 15789891), (3, 10526594), (6, 5263297), (13, 2429214), (23, 1373034), (26, 1214607), (29, 1088958), (39, 809738), (46, 686517), (58, 544479), (69, 457678), (78, 404869), (87, 362986), (138, 228839), (174, 181493), (299, 105618), (377, 83766), (598, 52809), (607, 52026), (667, 47346), (754, 41883), (897, 35206), (1131, 27922), (1214, 26013), (1334, 23673), (1794, 17603), (1821, 17342), (2001, 15782), (2262, 13961), (3642, 8671), (4002, 7891)]