257130244

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 546981120

約数和(自身を除く): 289850876

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 101, 124, 196, 202, 217, 404, 419, 434, 707, 838, 868, 1414, 1519, 1676, 2828, 2933, 3038, 3131, 4949, 5866, 6076, 6262, 9898, 11732, 12524, 12989, 19796, 20531, 21917, 25978, 41062, 42319, 43834, 51956, 82124, 84638, 87668, 90923, 153419, 169276, 181846, 296233, 306838, 363692, 592466, 613676, 636461, 1184932, 1272922, 1311889, 2073631, 2545844, 2623778, 4147262, 5247556, 8294524, 9183223, 18366446, 36732892, 64282561, 128565122, 257130244]

約数ペア:

[(1, 257130244), (2, 128565122), (4, 64282561), (7, 36732892), (14, 18366446), (28, 9183223), (31, 8294524), (49, 5247556), (62, 4147262), (98, 2623778), (101, 2545844), (124, 2073631), (196, 1311889), (202, 1272922), (217, 1184932), (404, 636461), (419, 613676), (434, 592466), (707, 363692), (838, 306838), (868, 296233), (1414, 181846), (1519, 169276), (1676, 153419), (2828, 90923), (2933, 87668), (3038, 84638), (3131, 82124), (4949, 51956), (5866, 43834), (6076, 42319), (6262, 41062), (9898, 25978), (11732, 21917), (12524, 20531), (12989, 19796)]