221503672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{112097}}^1$

素因数の和:112135

約数の個数: 32

約数和(自身を含む): 470811600

約数和(自身を除く): 249307928

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 112097, 224194, 448388, 896776, 1457261, 2129843, 2914522, 4259686, 5829044, 8519372, 11658088, 17038744, 27687959, 55375918, 110751836, 221503672]

約数ペア:

[(1, 221503672), (2, 110751836), (4, 55375918), (8, 27687959), (13, 17038744), (19, 11658088), (26, 8519372), (38, 5829044), (52, 4259686), (76, 2914522), (104, 2129843), (152, 1457261), (247, 896776), (494, 448388), (988, 224194), (1976, 112097)]