221350788

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{823}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 580676096

約数和(自身を除く): 359325308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 241, 279, 372, 482, 558, 723, 823, 964, 1116, 1446, 1646, 2169, 2469, 2892, 3292, 4338, 4938, 7407, 7471, 8676, 9876, 14814, 14942, 22413, 25513, 29628, 29884, 44826, 51026, 67239, 76539, 89652, 102052, 134478, 153078, 198343, 229617, 268956, 306156, 396686, 459234, 595029, 793372, 918468, 1190058, 1785087, 2380116, 3570174, 6148633, 7140348, 12297266, 18445899, 24594532, 36891798, 55337697, 73783596, 110675394, 221350788]

約数ペア:

[(1, 221350788), (2, 110675394), (3, 73783596), (4, 55337697), (6, 36891798), (9, 24594532), (12, 18445899), (18, 12297266), (31, 7140348), (36, 6148633), (62, 3570174), (93, 2380116), (124, 1785087), (186, 1190058), (241, 918468), (279, 793372), (372, 595029), (482, 459234), (558, 396686), (723, 306156), (823, 268956), (964, 229617), (1116, 198343), (1446, 153078), (1646, 134478), (2169, 102052), (2469, 89652), (2892, 76539), (3292, 67239), (4338, 51026), (4938, 44826), (7407, 29884), (7471, 29628), (8676, 25513), (9876, 22413), (14814, 14942)]