13418780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 30373056

約数和(自身を除く): 16954276

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 647, 1037, 1220, 1294, 2074, 2588, 3235, 4148, 5185, 6470, 10370, 10999, 12940, 20740, 21998, 39467, 43996, 54995, 78934, 109990, 157868, 197335, 219980, 394670, 670939, 789340, 1341878, 2683756, 3354695, 6709390, 13418780]

約数ペア:

[(1, 13418780), (2, 6709390), (4, 3354695), (5, 2683756), (10, 1341878), (17, 789340), (20, 670939), (34, 394670), (61, 219980), (68, 197335), (85, 157868), (122, 109990), (170, 78934), (244, 54995), (305, 43996), (340, 39467), (610, 21998), (647, 20740), (1037, 12940), (1220, 10999), (1294, 10370), (2074, 6470), (2588, 5185), (3235, 4148)]