278018663

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 330728832

約数和(自身を除く): 52710169

約数列:

[1, 13, 17, 41, 61, 221, 503, 533, 697, 793, 1037, 2501, 6539, 8551, 9061, 13481, 20623, 30683, 32513, 42517, 111163, 268099, 350591, 398879, 521611, 552721, 1258003, 4557683, 6780943, 16354039, 21386051, 278018663]

約数ペア:

[(1, 278018663), (13, 21386051), (17, 16354039), (41, 6780943), (61, 4557683), (221, 1258003), (503, 552721), (533, 521611), (697, 398879), (793, 350591), (1037, 268099), (2501, 111163), (6539, 42517), (8551, 32513), (9061, 30683), (13481, 20623)]