31493216

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 64791216

約数和(自身を除く): 33298000

約数列:

[1, 2, 4, 8, 16, 32, 37, 67, 74, 134, 148, 268, 296, 397, 536, 592, 794, 1072, 1184, 1588, 2144, 2479, 3176, 4958, 6352, 9916, 12704, 14689, 19832, 26599, 29378, 39664, 53198, 58756, 79328, 106396, 117512, 212792, 235024, 425584, 470048, 851168, 984163, 1968326, 3936652, 7873304, 15746608, 31493216]

約数ペア:

[(1, 31493216), (2, 15746608), (4, 7873304), (8, 3936652), (16, 1968326), (32, 984163), (37, 851168), (67, 470048), (74, 425584), (134, 235024), (148, 212792), (268, 117512), (296, 106396), (397, 79328), (536, 58756), (592, 53198), (794, 39664), (1072, 29378), (1184, 26599), (1588, 19832), (2144, 14689), (2479, 12704), (3176, 9916), (4958, 6352)]