217432956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 564254208

約数和(自身を除く): 346821252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 71, 78, 134, 142, 156, 201, 213, 268, 284, 293, 402, 426, 586, 804, 852, 871, 879, 923, 1172, 1742, 1758, 1846, 2613, 2769, 3484, 3516, 3692, 3809, 4757, 5226, 5538, 7618, 9514, 10452, 11076, 11427, 14271, 15236, 19028, 19631, 20803, 22854, 28542, 39262, 41606, 45708, 57084, 58893, 61841, 62409, 78524, 83212, 117786, 123682, 124818, 185523, 235572, 247364, 249636, 255203, 270439, 371046, 510406, 540878, 742092, 765609, 811317, 1020812, 1081756, 1393801, 1531218, 1622634, 2787602, 3062436, 3245268, 4181403, 5575204, 8362806, 16725612, 18119413, 36238826, 54358239, 72477652, 108716478, 217432956]

約数ペア:

[(1, 217432956), (2, 108716478), (3, 72477652), (4, 54358239), (6, 36238826), (12, 18119413), (13, 16725612), (26, 8362806), (39, 5575204), (52, 4181403), (67, 3245268), (71, 3062436), (78, 2787602), (134, 1622634), (142, 1531218), (156, 1393801), (201, 1081756), (213, 1020812), (268, 811317), (284, 765609), (293, 742092), (402, 540878), (426, 510406), (586, 371046), (804, 270439), (852, 255203), (871, 249636), (879, 247364), (923, 235572), (1172, 185523), (1742, 124818), (1758, 123682), (1846, 117786), (2613, 83212), (2769, 78524), (3484, 62409), (3516, 61841), (3692, 58893), (3809, 57084), (4757, 45708), (5226, 41606), (5538, 39262), (7618, 28542), (9514, 22854), (10452, 20803), (11076, 19631), (11427, 19028), (14271, 15236)]