51331308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^2$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 143716608

約数和(自身を除く): 92385300

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 163, 276, 322, 326, 483, 489, 644, 652, 966, 978, 1141, 1932, 1956, 2282, 3423, 3749, 4564, 6846, 7498, 11247, 13692, 14996, 22494, 26243, 26569, 44988, 52486, 53138, 78729, 79707, 104972, 106276, 157458, 159414, 185983, 314916, 318828, 371966, 557949, 611087, 743932, 1115898, 1222174, 1833261, 2231796, 2444348, 3666522, 4277609, 7333044, 8555218, 12832827, 17110436, 25665654, 51331308]

約数ペア:

[(1, 51331308), (2, 25665654), (3, 17110436), (4, 12832827), (6, 8555218), (7, 7333044), (12, 4277609), (14, 3666522), (21, 2444348), (23, 2231796), (28, 1833261), (42, 1222174), (46, 1115898), (69, 743932), (84, 611087), (92, 557949), (138, 371966), (161, 318828), (163, 314916), (276, 185983), (322, 159414), (326, 157458), (483, 106276), (489, 104972), (644, 79707), (652, 78729), (966, 53138), (978, 52486), (1141, 44988), (1932, 26569), (1956, 26243), (2282, 22494), (3423, 14996), (3749, 13692), (4564, 11247), (6846, 7498)]