148879955

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 209450880

約数和(自身を除く): 60570925

約数列:

[1, 5, 7, 35, 61, 137, 305, 427, 509, 685, 959, 2135, 2545, 3563, 4795, 8357, 17815, 31049, 41785, 58499, 69733, 155245, 217343, 292495, 348665, 488131, 1086715, 2440655, 4253713, 21268565, 29775991, 148879955]

約数ペア:

[(1, 148879955), (5, 29775991), (7, 21268565), (35, 4253713), (61, 2440655), (137, 1086715), (305, 488131), (427, 348665), (509, 292495), (685, 217343), (959, 155245), (2135, 69733), (2545, 58499), (3563, 41785), (4795, 31049), (8357, 17815)]