68610776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 148236480

約数和(自身を除く): 79625704

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 151, 221, 257, 302, 442, 514, 604, 884, 1028, 1208, 1768, 1963, 2056, 2567, 3341, 3926, 4369, 5134, 6682, 7852, 8738, 10268, 13364, 15704, 17476, 20536, 26728, 33371, 34952, 38807, 56797, 66742, 77614, 113594, 133484, 155228, 227188, 266968, 310456, 454376, 504491, 659719, 1008982, 1319438, 2017964, 2638876, 4035928, 5277752, 8576347, 17152694, 34305388, 68610776]

約数ペア:

[(1, 68610776), (2, 34305388), (4, 17152694), (8, 8576347), (13, 5277752), (17, 4035928), (26, 2638876), (34, 2017964), (52, 1319438), (68, 1008982), (104, 659719), (136, 504491), (151, 454376), (221, 310456), (257, 266968), (302, 227188), (442, 155228), (514, 133484), (604, 113594), (884, 77614), (1028, 66742), (1208, 56797), (1768, 38807), (1963, 34952), (2056, 33371), (2567, 26728), (3341, 20536), (3926, 17476), (4369, 15704), (5134, 13364), (6682, 10268), (7852, 8738)]