247356972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3511}}^1$

素因数の和:3643

約数の個数: 72

約数和(自身を含む): 664751360

約数和(自身を除く): 417394388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 103, 114, 171, 206, 228, 309, 342, 412, 618, 684, 927, 1236, 1854, 1957, 3511, 3708, 3914, 5871, 7022, 7828, 10533, 11742, 14044, 17613, 21066, 23484, 31599, 35226, 42132, 63198, 66709, 70452, 126396, 133418, 200127, 266836, 361633, 400254, 600381, 723266, 800508, 1084899, 1200762, 1446532, 2169798, 2401524, 3254697, 4339596, 6509394, 6871027, 13018788, 13742054, 20613081, 27484108, 41226162, 61839243, 82452324, 123678486, 247356972]

約数ペア:

[(1, 247356972), (2, 123678486), (3, 82452324), (4, 61839243), (6, 41226162), (9, 27484108), (12, 20613081), (18, 13742054), (19, 13018788), (36, 6871027), (38, 6509394), (57, 4339596), (76, 3254697), (103, 2401524), (114, 2169798), (171, 1446532), (206, 1200762), (228, 1084899), (309, 800508), (342, 723266), (412, 600381), (618, 400254), (684, 361633), (927, 266836), (1236, 200127), (1854, 133418), (1957, 126396), (3511, 70452), (3708, 66709), (3914, 63198), (5871, 42132), (7022, 35226), (7828, 31599), (10533, 23484), (11742, 21066), (14044, 17613)]