216989584

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{62497}}^1$

素因数の和:62543

約数の個数: 40

約数和(自身を含む): 495984128

約数和(自身を除く): 278994544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 62497, 124994, 249988, 437479, 499976, 874958, 999952, 1749916, 1937407, 3499832, 3874814, 6999664, 7749628, 13561849, 15499256, 27123698, 30998512, 54247396, 108494792, 216989584]

約数ペア:

[(1, 216989584), (2, 108494792), (4, 54247396), (7, 30998512), (8, 27123698), (14, 15499256), (16, 13561849), (28, 7749628), (31, 6999664), (56, 3874814), (62, 3499832), (112, 1937407), (124, 1749916), (217, 999952), (248, 874958), (434, 499976), (496, 437479), (868, 249988), (1736, 124994), (3472, 62497)]