681984842

素因数分解:

$2^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{12911}}^1$

素因数の和:12952

約数の個数: 40

約数和(自身を含む): 1301994432

約数和(自身を除く): 620009590

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2401, 3773, 4802, 7546, 12911, 25822, 26411, 52822, 90377, 142021, 180754, 284042, 632639, 994147, 1265278, 1988294, 4428473, 6959029, 8856946, 13918058, 30999311, 48713203, 61998622, 97426406, 340992421, 681984842]

約数ペア:

[(1, 681984842), (2, 340992421), (7, 97426406), (11, 61998622), (14, 48713203), (22, 30999311), (49, 13918058), (77, 8856946), (98, 6959029), (154, 4428473), (343, 1988294), (539, 1265278), (686, 994147), (1078, 632639), (2401, 284042), (3773, 180754), (4802, 142021), (7546, 90377), (12911, 52822), (25822, 26411)]