31019118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 71668800

約数和(自身を除く): 40649682

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 149, 157, 221, 298, 314, 442, 447, 471, 663, 894, 942, 1326, 1937, 2041, 2533, 2669, 3874, 4082, 5066, 5338, 5811, 6123, 7599, 8007, 11622, 12246, 15198, 16014, 23393, 32929, 34697, 46786, 65858, 69394, 70179, 98787, 104091, 140358, 197574, 208182, 304109, 397681, 608218, 795362, 912327, 1193043, 1824654, 2386086, 5169853, 10339706, 15509559, 31019118]

約数ペア:

[(1, 31019118), (2, 15509559), (3, 10339706), (6, 5169853), (13, 2386086), (17, 1824654), (26, 1193043), (34, 912327), (39, 795362), (51, 608218), (78, 397681), (102, 304109), (149, 208182), (157, 197574), (221, 140358), (298, 104091), (314, 98787), (442, 70179), (447, 69394), (471, 65858), (663, 46786), (894, 34697), (942, 32929), (1326, 23393), (1937, 16014), (2041, 15198), (2533, 12246), (2669, 11622), (3874, 8007), (4082, 7599), (5066, 6123), (5338, 5811)]