221163976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 474336000

約数和(自身を除く): 253172024

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 79, 88, 116, 158, 232, 316, 319, 632, 638, 869, 1097, 1276, 1738, 2194, 2291, 2552, 3476, 4388, 4582, 6952, 8776, 9164, 12067, 18328, 24134, 25201, 31813, 48268, 50402, 63626, 86663, 96536, 100804, 127252, 173326, 201608, 254504, 346652, 349943, 693304, 699886, 953293, 1399772, 1906586, 2513227, 2799544, 3813172, 5026454, 7626344, 10052908, 20105816, 27645497, 55290994, 110581988, 221163976]

約数ペア:

[(1, 221163976), (2, 110581988), (4, 55290994), (8, 27645497), (11, 20105816), (22, 10052908), (29, 7626344), (44, 5026454), (58, 3813172), (79, 2799544), (88, 2513227), (116, 1906586), (158, 1399772), (232, 953293), (316, 699886), (319, 693304), (632, 349943), (638, 346652), (869, 254504), (1097, 201608), (1276, 173326), (1738, 127252), (2194, 100804), (2291, 96536), (2552, 86663), (3476, 63626), (4388, 50402), (4582, 48268), (6952, 31813), (8776, 25201), (9164, 24134), (12067, 18328)]