991904490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{84131}}^1$

素因数の和:84275

約数の個数: 48

約数和(自身を含む): 2598669216

約数和(自身を除く): 1606764726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895, 11790, 84131, 168262, 252393, 420655, 504786, 757179, 841310, 1261965, 1514358, 2523930, 3785895, 7571790, 11021161, 22042322, 33063483, 55105805, 66126966, 99190449, 110211610, 165317415, 198380898, 330634830, 495952245, 991904490]

約数ペア:

[(1, 991904490), (2, 495952245), (3, 330634830), (5, 198380898), (6, 165317415), (9, 110211610), (10, 99190449), (15, 66126966), (18, 55105805), (30, 33063483), (45, 22042322), (90, 11021161), (131, 7571790), (262, 3785895), (393, 2523930), (655, 1514358), (786, 1261965), (1179, 841310), (1310, 757179), (1965, 504786), (2358, 420655), (3930, 252393), (5895, 168262), (11790, 84131)]