644399808

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258173}}^1$

素因数の和:258201

約数の個数: 56

約数和(自身を含む): 1836133488

約数和(自身を除く): 1191733680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 258173, 516346, 774519, 1032692, 1549038, 2065384, 3098076, 3356249, 4130768, 6196152, 6712498, 8261536, 10068747, 12392304, 13424996, 16523072, 20137494, 24784608, 26849992, 40274988, 49569216, 53699984, 80549976, 107399968, 161099952, 214799936, 322199904, 644399808]

約数ペア:

[(1, 644399808), (2, 322199904), (3, 214799936), (4, 161099952), (6, 107399968), (8, 80549976), (12, 53699984), (13, 49569216), (16, 40274988), (24, 26849992), (26, 24784608), (32, 20137494), (39, 16523072), (48, 13424996), (52, 12392304), (64, 10068747), (78, 8261536), (96, 6712498), (104, 6196152), (156, 4130768), (192, 3356249), (208, 3098076), (312, 2065384), (416, 1549038), (624, 1032692), (832, 774519), (1248, 516346), (2496, 258173)]