978121375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{673}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 1534261248

約数和(自身を除く): 556139873

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 151, 175, 275, 385, 673, 755, 875, 1057, 1375, 1661, 1925, 3365, 3775, 4711, 5285, 7403, 8305, 9625, 11627, 16825, 18875, 23555, 26425, 37015, 41525, 51821, 58135, 84125, 101623, 117775, 132125, 185075, 207625, 259105, 290675, 508115, 588875, 711361, 925375, 1117853, 1295525, 1453375, 2540575, 3556805, 5589265, 6477625, 7824971, 12702875, 17784025, 27946325, 39124855, 88920125, 139731625, 195624275, 978121375]

約数ペア:

[(1, 978121375), (5, 195624275), (7, 139731625), (11, 88920125), (25, 39124855), (35, 27946325), (55, 17784025), (77, 12702875), (125, 7824971), (151, 6477625), (175, 5589265), (275, 3556805), (385, 2540575), (673, 1453375), (755, 1295525), (875, 1117853), (1057, 925375), (1375, 711361), (1661, 588875), (1925, 508115), (3365, 290675), (3775, 259105), (4711, 207625), (5285, 185075), (7403, 132125), (8305, 117775), (9625, 101623), (11627, 84125), (16825, 58135), (18875, 51821), (23555, 41525), (26425, 37015)]