28186758

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 65472000

約数和(自身を除く): 37285242

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 61, 86, 122, 129, 183, 199, 258, 366, 387, 398, 549, 597, 774, 1098, 1161, 1194, 1647, 1791, 2322, 2623, 3294, 3582, 5246, 5373, 7869, 8557, 10746, 12139, 15738, 17114, 23607, 24278, 25671, 36417, 47214, 51342, 70821, 72834, 77013, 109251, 141642, 154026, 218502, 231039, 327753, 462078, 521977, 655506, 1043954, 1565931, 3131862, 4697793, 9395586, 14093379, 28186758]

約数ペア:

[(1, 28186758), (2, 14093379), (3, 9395586), (6, 4697793), (9, 3131862), (18, 1565931), (27, 1043954), (43, 655506), (54, 521977), (61, 462078), (86, 327753), (122, 231039), (129, 218502), (183, 154026), (199, 141642), (258, 109251), (366, 77013), (387, 72834), (398, 70821), (549, 51342), (597, 47214), (774, 36417), (1098, 25671), (1161, 24278), (1194, 23607), (1647, 17114), (1791, 15738), (2322, 12139), (2623, 10746), (3294, 8557), (3582, 7869), (5246, 5373)]