645897462

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1151}}^1$

素因数の和:1625

約数の個数: 64

約数和(自身を含む): 1528823808

約数和(自身を除く): 882926346

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 431, 434, 651, 862, 1151, 1293, 1302, 2302, 2586, 3017, 3453, 6034, 6906, 8057, 9051, 13361, 16114, 18102, 24171, 26722, 35681, 40083, 48342, 71362, 80166, 93527, 107043, 187054, 214086, 249767, 280581, 496081, 499534, 561162, 749301, 992162, 1488243, 1498602, 2976486, 3472567, 6945134, 10417701, 15378511, 20835402, 30757022, 46135533, 92271066, 107649577, 215299154, 322948731, 645897462]

約数ペア:

[(1, 645897462), (2, 322948731), (3, 215299154), (6, 107649577), (7, 92271066), (14, 46135533), (21, 30757022), (31, 20835402), (42, 15378511), (62, 10417701), (93, 6945134), (186, 3472567), (217, 2976486), (431, 1498602), (434, 1488243), (651, 992162), (862, 749301), (1151, 561162), (1293, 499534), (1302, 496081), (2302, 280581), (2586, 249767), (3017, 214086), (3453, 187054), (6034, 107043), (6906, 93527), (8057, 80166), (9051, 71362), (13361, 48342), (16114, 40083), (18102, 35681), (24171, 26722)]