81702012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3389}}^1$

素因数の和:3451

約数の個数: 72

約数和(自身を含む): 227238480

約数和(自身を除く): 145536468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 2009, 3389, 3444, 4018, 6027, 6778, 8036, 10167, 12054, 13556, 20334, 23723, 24108, 40668, 47446, 71169, 94892, 138949, 142338, 166061, 277898, 284676, 332122, 416847, 498183, 555796, 664244, 833694, 972643, 996366, 1667388, 1945286, 1992732, 2917929, 3890572, 5835858, 6808501, 11671716, 13617002, 20425503, 27234004, 40851006, 81702012]

約数ペア:

[(1, 81702012), (2, 40851006), (3, 27234004), (4, 20425503), (6, 13617002), (7, 11671716), (12, 6808501), (14, 5835858), (21, 3890572), (28, 2917929), (41, 1992732), (42, 1945286), (49, 1667388), (82, 996366), (84, 972643), (98, 833694), (123, 664244), (147, 555796), (164, 498183), (196, 416847), (246, 332122), (287, 284676), (294, 277898), (492, 166061), (574, 142338), (588, 138949), (861, 94892), (1148, 71169), (1722, 47446), (2009, 40668), (3389, 24108), (3444, 23723), (4018, 20334), (6027, 13556), (6778, 12054), (8036, 10167)]