31618698

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 40266102

約数列:

[1, 2, 3, 6, 19, 23, 31, 38, 46, 57, 62, 69, 93, 114, 138, 186, 389, 437, 589, 713, 778, 874, 1167, 1178, 1311, 1426, 1767, 2139, 2334, 2622, 3534, 4278, 7391, 8947, 12059, 13547, 14782, 17894, 22173, 24118, 26841, 27094, 36177, 40641, 44346, 53682, 72354, 81282, 169993, 229121, 277357, 339986, 458242, 509979, 554714, 687363, 832071, 1019958, 1374726, 1664142, 5269783, 10539566, 15809349, 31618698]

約数ペア:

[(1, 31618698), (2, 15809349), (3, 10539566), (6, 5269783), (19, 1664142), (23, 1374726), (31, 1019958), (38, 832071), (46, 687363), (57, 554714), (62, 509979), (69, 458242), (93, 339986), (114, 277357), (138, 229121), (186, 169993), (389, 81282), (437, 72354), (589, 53682), (713, 44346), (778, 40641), (874, 36177), (1167, 27094), (1178, 26841), (1311, 24118), (1426, 22173), (1767, 17894), (2139, 14782), (2334, 13547), (2622, 12059), (3534, 8947), (4278, 7391)]