71439004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 160032768

約数和(自身を除く): 88593764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 487, 676, 806, 868, 974, 1183, 1612, 1948, 2366, 2821, 3409, 4732, 5239, 5642, 6331, 6818, 10478, 11284, 12662, 13636, 15097, 20956, 25324, 30194, 36673, 44317, 60388, 73346, 82303, 88634, 105679, 146692, 164606, 177268, 196261, 211358, 329212, 392522, 422716, 576121, 785044, 1152242, 1373827, 2304484, 2551393, 2747654, 5102786, 5495308, 10205572, 17859751, 35719502, 71439004]

約数ペア:

[(1, 71439004), (2, 35719502), (4, 17859751), (7, 10205572), (13, 5495308), (14, 5102786), (26, 2747654), (28, 2551393), (31, 2304484), (52, 1373827), (62, 1152242), (91, 785044), (124, 576121), (169, 422716), (182, 392522), (217, 329212), (338, 211358), (364, 196261), (403, 177268), (434, 164606), (487, 146692), (676, 105679), (806, 88634), (868, 82303), (974, 73346), (1183, 60388), (1612, 44317), (1948, 36673), (2366, 30194), (2821, 25324), (3409, 20956), (4732, 15097), (5239, 13636), (5642, 12662), (6331, 11284), (6818, 10478)]