51121278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 128786112

約数和(自身を除く): 77664834

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 71, 78, 102, 117, 142, 153, 181, 213, 221, 234, 306, 362, 426, 442, 543, 639, 663, 923, 1086, 1207, 1278, 1326, 1629, 1846, 1989, 2353, 2414, 2769, 3077, 3258, 3621, 3978, 4706, 5538, 6154, 7059, 7242, 8307, 9231, 10863, 12851, 14118, 15691, 16614, 18462, 21177, 21726, 25702, 27693, 31382, 38553, 40001, 42354, 47073, 55386, 77106, 80002, 94146, 115659, 120003, 141219, 167063, 218467, 231318, 240006, 282438, 334126, 360009, 436934, 501189, 655401, 720018, 1002378, 1310802, 1503567, 1966203, 2840071, 3007134, 3932406, 5680142, 8520213, 17040426, 25560639, 51121278]

約数ペア:

[(1, 51121278), (2, 25560639), (3, 17040426), (6, 8520213), (9, 5680142), (13, 3932406), (17, 3007134), (18, 2840071), (26, 1966203), (34, 1503567), (39, 1310802), (51, 1002378), (71, 720018), (78, 655401), (102, 501189), (117, 436934), (142, 360009), (153, 334126), (181, 282438), (213, 240006), (221, 231318), (234, 218467), (306, 167063), (362, 141219), (426, 120003), (442, 115659), (543, 94146), (639, 80002), (663, 77106), (923, 55386), (1086, 47073), (1207, 42354), (1278, 40001), (1326, 38553), (1629, 31382), (1846, 27693), (1989, 25702), (2353, 21726), (2414, 21177), (2769, 18462), (3077, 16614), (3258, 15691), (3621, 14118), (3978, 12851), (4706, 10863), (5538, 9231), (6154, 8307), (7059, 7242)]