248784172

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 548992080

約数和(自身を除く): 300207908

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 251, 364, 389, 502, 637, 778, 1004, 1274, 1556, 1757, 2548, 2723, 3263, 3514, 5057, 5446, 6526, 7028, 10114, 10892, 12299, 13052, 19061, 20228, 22841, 24598, 35399, 38122, 45682, 49196, 70798, 76244, 91364, 97639, 141596, 159887, 195278, 247793, 319774, 390556, 495586, 639548, 683473, 991172, 1269307, 1366946, 2538614, 2733892, 4784311, 5077228, 8885149, 9568622, 17770298, 19137244, 35540596, 62196043, 124392086, 248784172]

約数ペア:

[(1, 248784172), (2, 124392086), (4, 62196043), (7, 35540596), (13, 19137244), (14, 17770298), (26, 9568622), (28, 8885149), (49, 5077228), (52, 4784311), (91, 2733892), (98, 2538614), (182, 1366946), (196, 1269307), (251, 991172), (364, 683473), (389, 639548), (502, 495586), (637, 390556), (778, 319774), (1004, 247793), (1274, 195278), (1556, 159887), (1757, 141596), (2548, 97639), (2723, 91364), (3263, 76244), (3514, 70798), (5057, 49196), (5446, 45682), (6526, 38122), (7028, 35399), (10114, 24598), (10892, 22841), (12299, 20228), (13052, 19061)]