15971982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 21283698

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 174, 299, 307, 377, 598, 614, 667, 754, 897, 921, 1131, 1334, 1794, 1842, 2001, 2262, 3991, 4002, 7061, 7982, 8671, 8903, 11973, 14122, 17342, 17806, 21183, 23946, 26013, 26709, 42366, 52026, 53418, 91793, 115739, 183586, 204769, 231478, 275379, 347217, 409538, 550758, 614307, 694434, 1228614, 2661997, 5323994, 7985991, 15971982]

約数ペア:

[(1, 15971982), (2, 7985991), (3, 5323994), (6, 2661997), (13, 1228614), (23, 694434), (26, 614307), (29, 550758), (39, 409538), (46, 347217), (58, 275379), (69, 231478), (78, 204769), (87, 183586), (138, 115739), (174, 91793), (299, 53418), (307, 52026), (377, 42366), (598, 26709), (614, 26013), (667, 23946), (754, 21183), (897, 17806), (921, 17342), (1131, 14122), (1334, 11973), (1794, 8903), (1842, 8671), (2001, 7982), (2262, 7061), (3991, 4002)]