215509112

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{761}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 499262400

約数和(自身を除く): 283753288

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 389, 728, 761, 778, 1522, 1556, 2723, 3044, 3112, 5057, 5327, 5446, 6088, 9893, 10114, 10654, 10892, 19786, 20228, 21308, 21784, 35399, 39572, 40456, 42616, 69251, 70798, 79144, 138502, 141596, 277004, 283192, 296029, 554008, 592058, 1184116, 2072203, 2368232, 3848377, 4144406, 7696754, 8288812, 15393508, 16577624, 26938639, 30787016, 53877278, 107754556, 215509112]

約数ペア:

[(1, 215509112), (2, 107754556), (4, 53877278), (7, 30787016), (8, 26938639), (13, 16577624), (14, 15393508), (26, 8288812), (28, 7696754), (52, 4144406), (56, 3848377), (91, 2368232), (104, 2072203), (182, 1184116), (364, 592058), (389, 554008), (728, 296029), (761, 283192), (778, 277004), (1522, 141596), (1556, 138502), (2723, 79144), (3044, 70798), (3112, 69251), (5057, 42616), (5327, 40456), (5446, 39572), (6088, 35399), (9893, 21784), (10114, 21308), (10654, 20228), (10892, 19786)]