2198851256

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{2621}}^1$

素因数の和:2916

約数の個数: 64

約数和(自身を含む): 4802664960

約数和(自身を除く): 2603813704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 211, 284, 422, 497, 568, 844, 994, 1477, 1688, 1988, 2621, 2954, 3976, 5242, 5908, 10484, 11816, 14981, 18347, 20968, 29962, 36694, 59924, 73388, 104867, 119848, 146776, 186091, 209734, 372182, 419468, 553031, 744364, 838936, 1106062, 1302637, 1488728, 2212124, 2605274, 3871217, 4424248, 5210548, 7742434, 10421096, 15484868, 30969736, 39265201, 78530402, 157060804, 274856407, 314121608, 549712814, 1099425628, 2198851256]

約数ペア:

[(1, 2198851256), (2, 1099425628), (4, 549712814), (7, 314121608), (8, 274856407), (14, 157060804), (28, 78530402), (56, 39265201), (71, 30969736), (142, 15484868), (211, 10421096), (284, 7742434), (422, 5210548), (497, 4424248), (568, 3871217), (844, 2605274), (994, 2212124), (1477, 1488728), (1688, 1302637), (1988, 1106062), (2621, 838936), (2954, 744364), (3976, 553031), (5242, 419468), (5908, 372182), (10484, 209734), (11816, 186091), (14981, 146776), (18347, 119848), (20968, 104867), (29962, 73388), (36694, 59924)]