217990512

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1131

約数の個数: 120

約数和(自身を含む): 643768320

約数和(自身を除く): 425777808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 47, 48, 62, 72, 93, 94, 124, 141, 144, 186, 188, 248, 279, 282, 372, 376, 423, 496, 558, 564, 744, 752, 846, 1039, 1116, 1128, 1457, 1488, 1692, 2078, 2232, 2256, 2914, 3117, 3384, 4156, 4371, 4464, 5828, 6234, 6768, 8312, 8742, 9351, 11656, 12468, 13113, 16624, 17484, 18702, 23312, 24936, 26226, 32209, 34968, 37404, 48833, 49872, 52452, 64418, 69936, 74808, 96627, 97666, 104904, 128836, 146499, 149616, 193254, 195332, 209808, 257672, 289881, 292998, 386508, 390664, 439497, 515344, 579762, 585996, 773016, 781328, 878994, 1159524, 1171992, 1513823, 1546032, 1757988, 2319048, 2343984, 3027646, 3515976, 4541469, 4638096, 6055292, 7031952, 9082938, 12110584, 13624407, 18165876, 24221168, 27248814, 36331752, 54497628, 72663504, 108995256, 217990512]

約数ペア:

[(1, 217990512), (2, 108995256), (3, 72663504), (4, 54497628), (6, 36331752), (8, 27248814), (9, 24221168), (12, 18165876), (16, 13624407), (18, 12110584), (24, 9082938), (31, 7031952), (36, 6055292), (47, 4638096), (48, 4541469), (62, 3515976), (72, 3027646), (93, 2343984), (94, 2319048), (124, 1757988), (141, 1546032), (144, 1513823), (186, 1171992), (188, 1159524), (248, 878994), (279, 781328), (282, 773016), (372, 585996), (376, 579762), (423, 515344), (496, 439497), (558, 390664), (564, 386508), (744, 292998), (752, 289881), (846, 257672), (1039, 209808), (1116, 195332), (1128, 193254), (1457, 149616), (1488, 146499), (1692, 128836), (2078, 104904), (2232, 97666), (2256, 96627), (2914, 74808), (3117, 69936), (3384, 64418), (4156, 52452), (4371, 49872), (4464, 48833), (5828, 37404), (6234, 34968), (6768, 32209), (8312, 26226), (8742, 24936), (9351, 23312), (11656, 18702), (12468, 17484), (13113, 16624)]