77997556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 172658304

約数和(自身を除く): 94660748

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 169, 182, 212, 311, 338, 364, 371, 622, 676, 689, 742, 1183, 1244, 1378, 1484, 2177, 2366, 2756, 4043, 4354, 4732, 4823, 8086, 8708, 8957, 9646, 16172, 16483, 17914, 19292, 28301, 32966, 35828, 52559, 56602, 62699, 65932, 105118, 113204, 115381, 125398, 210236, 214279, 230762, 250796, 367913, 428558, 461524, 735826, 857116, 1471652, 1499953, 2785627, 2999906, 5571254, 5999812, 11142508, 19499389, 38998778, 77997556]

約数ペア:

[(1, 77997556), (2, 38998778), (4, 19499389), (7, 11142508), (13, 5999812), (14, 5571254), (26, 2999906), (28, 2785627), (52, 1499953), (53, 1471652), (91, 857116), (106, 735826), (169, 461524), (182, 428558), (212, 367913), (311, 250796), (338, 230762), (364, 214279), (371, 210236), (622, 125398), (676, 115381), (689, 113204), (742, 105118), (1183, 65932), (1244, 62699), (1378, 56602), (1484, 52559), (2177, 35828), (2366, 32966), (2756, 28301), (4043, 19292), (4354, 17914), (4732, 16483), (4823, 16172), (8086, 9646), (8708, 8957)]