28989216

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 90574848

約数和(自身を除く): 61585632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 32, 34, 36, 48, 51, 62, 68, 72, 93, 96, 102, 124, 136, 144, 153, 186, 191, 204, 248, 272, 279, 288, 306, 372, 382, 408, 496, 527, 544, 558, 573, 612, 744, 764, 816, 992, 1054, 1116, 1146, 1224, 1488, 1528, 1581, 1632, 1719, 2108, 2232, 2292, 2448, 2976, 3056, 3162, 3247, 3438, 4216, 4464, 4584, 4743, 4896, 5921, 6112, 6324, 6494, 6876, 8432, 8928, 9168, 9486, 9741, 11842, 12648, 12988, 13752, 16864, 17763, 18336, 18972, 19482, 23684, 25296, 25976, 27504, 29223, 35526, 37944, 38964, 47368, 50592, 51952, 53289, 55008, 58446, 71052, 75888, 77928, 94736, 100657, 103904, 106578, 116892, 142104, 151776, 155856, 189472, 201314, 213156, 233784, 284208, 301971, 311712, 402628, 426312, 467568, 568416, 603942, 805256, 852624, 905913, 935136, 1207884, 1610512, 1705248, 1811826, 2415768, 3221024, 3623652, 4831536, 7247304, 9663072, 14494608, 28989216]

約数ペア:

[(1, 28989216), (2, 14494608), (3, 9663072), (4, 7247304), (6, 4831536), (8, 3623652), (9, 3221024), (12, 2415768), (16, 1811826), (17, 1705248), (18, 1610512), (24, 1207884), (31, 935136), (32, 905913), (34, 852624), (36, 805256), (48, 603942), (51, 568416), (62, 467568), (68, 426312), (72, 402628), (93, 311712), (96, 301971), (102, 284208), (124, 233784), (136, 213156), (144, 201314), (153, 189472), (186, 155856), (191, 151776), (204, 142104), (248, 116892), (272, 106578), (279, 103904), (288, 100657), (306, 94736), (372, 77928), (382, 75888), (408, 71052), (496, 58446), (527, 55008), (544, 53289), (558, 51952), (573, 50592), (612, 47368), (744, 38964), (764, 37944), (816, 35526), (992, 29223), (1054, 27504), (1116, 25976), (1146, 25296), (1224, 23684), (1488, 19482), (1528, 18972), (1581, 18336), (1632, 17763), (1719, 16864), (2108, 13752), (2232, 12988), (2292, 12648), (2448, 11842), (2976, 9741), (3056, 9486), (3162, 9168), (3247, 8928), (3438, 8432), (4216, 6876), (4464, 6494), (4584, 6324), (4743, 6112), (4896, 5921)]