251299888

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{72379}}^1$

素因数の和:72425

約数の個数: 40

約数和(自身を含む): 574407680

約数和(自身を除く): 323107792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 72379, 144758, 289516, 506653, 579032, 1013306, 1158064, 2026612, 2243749, 4053224, 4487498, 8106448, 8974996, 15706243, 17949992, 31412486, 35899984, 62824972, 125649944, 251299888]

約数ペア:

[(1, 251299888), (2, 125649944), (4, 62824972), (7, 35899984), (8, 31412486), (14, 17949992), (16, 15706243), (28, 8974996), (31, 8106448), (56, 4487498), (62, 4053224), (112, 2243749), (124, 2026612), (217, 1158064), (248, 1013306), (434, 579032), (496, 506653), (868, 289516), (1736, 144758), (3472, 72379)]