13721890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 32223744

約数和(自身を除く): 18501854

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 887, 910, 1105, 1190, 1547, 1774, 2210, 3094, 4435, 6209, 7735, 8870, 11531, 12418, 15079, 15470, 23062, 30158, 31045, 57655, 62090, 75395, 80717, 105553, 115310, 150790, 161434, 196027, 211106, 392054, 403585, 527765, 807170, 980135, 1055530, 1372189, 1960270, 2744378, 6860945, 13721890]

約数ペア:

[(1, 13721890), (2, 6860945), (5, 2744378), (7, 1960270), (10, 1372189), (13, 1055530), (14, 980135), (17, 807170), (26, 527765), (34, 403585), (35, 392054), (65, 211106), (70, 196027), (85, 161434), (91, 150790), (119, 115310), (130, 105553), (170, 80717), (182, 75395), (221, 62090), (238, 57655), (442, 31045), (455, 30158), (595, 23062), (887, 15470), (910, 15079), (1105, 12418), (1190, 11531), (1547, 8870), (1774, 7735), (2210, 6209), (3094, 4435)]