261337804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 602017920

約数和(自身を除く): 340680116

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 157, 182, 221, 238, 269, 314, 364, 442, 476, 538, 628, 884, 1076, 1099, 1547, 1883, 2041, 2198, 2669, 3094, 3497, 3766, 4082, 4396, 4573, 5338, 6188, 6994, 7532, 8164, 9146, 10676, 13988, 14287, 18292, 18683, 24479, 28574, 32011, 34697, 37366, 42233, 48958, 57148, 59449, 64022, 69394, 74732, 84466, 97916, 118898, 128044, 138788, 168932, 237796, 242879, 295631, 416143, 485758, 549029, 591262, 717961, 832286, 971516, 1098058, 1182524, 1435922, 1664572, 2196116, 2871844, 3843203, 5025727, 7686406, 9333493, 10051454, 15372812, 18666986, 20102908, 37333972, 65334451, 130668902, 261337804]

約数ペア:

[(1, 261337804), (2, 130668902), (4, 65334451), (7, 37333972), (13, 20102908), (14, 18666986), (17, 15372812), (26, 10051454), (28, 9333493), (34, 7686406), (52, 5025727), (68, 3843203), (91, 2871844), (119, 2196116), (157, 1664572), (182, 1435922), (221, 1182524), (238, 1098058), (269, 971516), (314, 832286), (364, 717961), (442, 591262), (476, 549029), (538, 485758), (628, 416143), (884, 295631), (1076, 242879), (1099, 237796), (1547, 168932), (1883, 138788), (2041, 128044), (2198, 118898), (2669, 97916), (3094, 84466), (3497, 74732), (3766, 69394), (4082, 64022), (4396, 59449), (4573, 57148), (5338, 48958), (6188, 42233), (6994, 37366), (7532, 34697), (8164, 32011), (9146, 28574), (10676, 24479), (13988, 18683), (14287, 18292)]