31531328

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:499

約数の個数: 56

約数和(自身を含む): 67327272

約数和(自身を除く): 35795944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 272, 292, 397, 544, 584, 794, 1088, 1168, 1241, 1588, 2336, 2482, 3176, 4672, 4964, 6352, 6749, 9928, 12704, 13498, 19856, 25408, 26996, 28981, 39712, 53992, 57962, 79424, 107984, 115924, 215968, 231848, 431936, 463696, 492677, 927392, 985354, 1854784, 1970708, 3941416, 7882832, 15765664, 31531328]

約数ペア:

[(1, 31531328), (2, 15765664), (4, 7882832), (8, 3941416), (16, 1970708), (17, 1854784), (32, 985354), (34, 927392), (64, 492677), (68, 463696), (73, 431936), (136, 231848), (146, 215968), (272, 115924), (292, 107984), (397, 79424), (544, 57962), (584, 53992), (794, 39712), (1088, 28981), (1168, 26996), (1241, 25408), (1588, 19856), (2336, 13498), (2482, 12704), (3176, 9928), (4672, 6749), (4964, 6352)]