31292690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 67253760

約数和(自身を除く): 35961070

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 79, 110, 130, 143, 158, 277, 286, 395, 554, 715, 790, 869, 1027, 1385, 1430, 1738, 2054, 2770, 3047, 3601, 4345, 5135, 6094, 7202, 8690, 10270, 11297, 15235, 18005, 21883, 22594, 30470, 36010, 39611, 43766, 56485, 79222, 109415, 112970, 198055, 218830, 240713, 284479, 396110, 481426, 568958, 1203565, 1422395, 2407130, 2844790, 3129269, 6258538, 15646345, 31292690]

約数ペア:

[(1, 31292690), (2, 15646345), (5, 6258538), (10, 3129269), (11, 2844790), (13, 2407130), (22, 1422395), (26, 1203565), (55, 568958), (65, 481426), (79, 396110), (110, 284479), (130, 240713), (143, 218830), (158, 198055), (277, 112970), (286, 109415), (395, 79222), (554, 56485), (715, 43766), (790, 39611), (869, 36010), (1027, 30470), (1385, 22594), (1430, 21883), (1738, 18005), (2054, 15235), (2770, 11297), (3047, 10270), (3601, 8690), (4345, 7202), (5135, 6094)]