68940679556

素因数分解:

$2^2\times 7^2\times {\mathrm{491}}^1\times {\mathrm{569}}^1\times {\mathrm{1259}}^1$

素因数の和:2337

約数の個数: 72

約数和(自身を含む): 140988405600

約数和(自身を除く): 72047726044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 491, 569, 982, 1138, 1259, 1964, 2276, 2518, 3437, 3983, 5036, 6874, 7966, 8813, 13748, 15932, 17626, 24059, 27881, 35252, 48118, 55762, 61691, 96236, 111524, 123382, 246764, 279379, 558758, 618169, 716371, 1117516, 1236338, 1432742, 1955653, 2472676, 2865484, 3911306, 4327183, 5014597, 7822612, 8654366, 10029194, 13689571, 17308732, 20058388, 27379142, 30290281, 35102179, 54758284, 60580562, 70204358, 121161124, 140408716, 351738161, 703476322, 1406952644, 2462167127, 4924334254, 9848668508, 17235169889, 34470339778, 68940679556]

約数ペア:

[(1, 68940679556), (2, 34470339778), (4, 17235169889), (7, 9848668508), (14, 4924334254), (28, 2462167127), (49, 1406952644), (98, 703476322), (196, 351738161), (491, 140408716), (569, 121161124), (982, 70204358), (1138, 60580562), (1259, 54758284), (1964, 35102179), (2276, 30290281), (2518, 27379142), (3437, 20058388), (3983, 17308732), (5036, 13689571), (6874, 10029194), (7966, 8654366), (8813, 7822612), (13748, 5014597), (15932, 4327183), (17626, 3911306), (24059, 2865484), (27881, 2472676), (35252, 1955653), (48118, 1432742), (55762, 1236338), (61691, 1117516), (96236, 716371), (111524, 618169), (123382, 558758), (246764, 279379)]