663441664

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2039}}^1$

素因数の和:2127

約数の個数: 72

約数和(自身を含む): 1401039360

約数和(自身を除く): 737597696

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 256, 328, 496, 656, 992, 1271, 1312, 1984, 2039, 2542, 2624, 3968, 4078, 5084, 5248, 7936, 8156, 10168, 10496, 16312, 20336, 32624, 40672, 63209, 65248, 81344, 83599, 126418, 130496, 162688, 167198, 252836, 260992, 325376, 334396, 505672, 521984, 668792, 1011344, 1337584, 2022688, 2591569, 2675168, 4045376, 5183138, 5350336, 8090752, 10366276, 10700672, 16181504, 20732552, 21401344, 41465104, 82930208, 165860416, 331720832, 663441664]

約数ペア:

[(1, 663441664), (2, 331720832), (4, 165860416), (8, 82930208), (16, 41465104), (31, 21401344), (32, 20732552), (41, 16181504), (62, 10700672), (64, 10366276), (82, 8090752), (124, 5350336), (128, 5183138), (164, 4045376), (248, 2675168), (256, 2591569), (328, 2022688), (496, 1337584), (656, 1011344), (992, 668792), (1271, 521984), (1312, 505672), (1984, 334396), (2039, 325376), (2542, 260992), (2624, 252836), (3968, 167198), (4078, 162688), (5084, 130496), (5248, 126418), (7936, 83599), (8156, 81344), (10168, 65248), (10496, 63209), (16312, 40672), (20336, 32624)]