1289276445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 2218291200

約数和(自身を除く): 929014755

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 173, 237, 285, 331, 395, 519, 865, 993, 1185, 1501, 1655, 2595, 3287, 4503, 4965, 6289, 7505, 9861, 13667, 16435, 18867, 22515, 26149, 31445, 41001, 49305, 57263, 68335, 78447, 94335, 130745, 171789, 205005, 259673, 286315, 392235, 496831, 779019, 858945, 1087997, 1298365, 1490493, 2484155, 3263991, 3895095, 4523777, 5439985, 7452465, 13571331, 16319955, 22618885, 67856655, 85951763, 257855289, 429758815, 1289276445]

約数ペア:

[(1, 1289276445), (3, 429758815), (5, 257855289), (15, 85951763), (19, 67856655), (57, 22618885), (79, 16319955), (95, 13571331), (173, 7452465), (237, 5439985), (285, 4523777), (331, 3895095), (395, 3263991), (519, 2484155), (865, 1490493), (993, 1298365), (1185, 1087997), (1501, 858945), (1655, 779019), (2595, 496831), (3287, 392235), (4503, 286315), (4965, 259673), (6289, 205005), (7505, 171789), (9861, 130745), (13667, 94335), (16435, 78447), (18867, 68335), (22515, 57263), (26149, 49305), (31445, 41001)]