69489290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 142636032

約数和(自身を除く): 73146742

約数列:

[1, 2, 5, 10, 13, 26, 31, 43, 62, 65, 86, 130, 155, 215, 310, 401, 403, 430, 559, 802, 806, 1118, 1333, 2005, 2015, 2666, 2795, 4010, 4030, 5213, 5590, 6665, 10426, 12431, 13330, 17243, 17329, 24862, 26065, 34486, 34658, 52130, 62155, 86215, 86645, 124310, 161603, 172430, 173290, 224159, 323206, 448318, 534533, 808015, 1069066, 1120795, 1616030, 2241590, 2672665, 5345330, 6948929, 13897858, 34744645, 69489290]

約数ペア:

[(1, 69489290), (2, 34744645), (5, 13897858), (10, 6948929), (13, 5345330), (26, 2672665), (31, 2241590), (43, 1616030), (62, 1120795), (65, 1069066), (86, 808015), (130, 534533), (155, 448318), (215, 323206), (310, 224159), (401, 173290), (403, 172430), (430, 161603), (559, 124310), (802, 86645), (806, 86215), (1118, 62155), (1333, 52130), (2005, 34658), (2015, 34486), (2666, 26065), (2795, 24862), (4010, 17329), (4030, 17243), (5213, 13330), (5590, 12431), (6665, 10426)]