72505408

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 56

約数和(自身を含む): 154058112

約数和(自身を除く): 81552704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 103, 136, 206, 272, 412, 544, 647, 824, 1088, 1294, 1648, 1751, 2588, 3296, 3502, 5176, 6592, 7004, 10352, 10999, 14008, 20704, 21998, 28016, 41408, 43996, 56032, 66641, 87992, 112064, 133282, 175984, 266564, 351968, 533128, 703936, 1066256, 1132897, 2132512, 2265794, 4265024, 4531588, 9063176, 18126352, 36252704, 72505408]

約数ペア:

[(1, 72505408), (2, 36252704), (4, 18126352), (8, 9063176), (16, 4531588), (17, 4265024), (32, 2265794), (34, 2132512), (64, 1132897), (68, 1066256), (103, 703936), (136, 533128), (206, 351968), (272, 266564), (412, 175984), (544, 133282), (647, 112064), (824, 87992), (1088, 66641), (1294, 56032), (1648, 43996), (1751, 41408), (2588, 28016), (3296, 21998), (3502, 20704), (5176, 14008), (6592, 10999), (7004, 10352)]