389887996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2934

約数の個数: 48

約数和(自身を含む): 762592320

約数和(自身を除く): 372704324

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 89, 92, 178, 356, 391, 782, 1513, 1564, 2047, 2801, 3026, 4094, 5602, 6052, 8188, 11204, 34799, 47617, 64423, 69598, 95234, 128846, 139196, 190468, 249289, 257692, 498578, 997156, 1095191, 2190382, 4237913, 4380764, 5733647, 8475826, 11467294, 16951652, 22934588, 97471999, 194943998, 389887996]

約数ペア:

[(1, 389887996), (2, 194943998), (4, 97471999), (17, 22934588), (23, 16951652), (34, 11467294), (46, 8475826), (68, 5733647), (89, 4380764), (92, 4237913), (178, 2190382), (356, 1095191), (391, 997156), (782, 498578), (1513, 257692), (1564, 249289), (2047, 190468), (2801, 139196), (3026, 128846), (4094, 95234), (5602, 69598), (6052, 64423), (8188, 47617), (11204, 34799)]