28921956

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 79442496

約数和(自身を除く): 50520540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 101, 147, 196, 202, 294, 303, 404, 487, 588, 606, 707, 974, 1212, 1414, 1461, 1948, 2121, 2828, 2922, 3409, 4242, 4949, 5844, 6818, 8484, 9898, 10227, 13636, 14847, 19796, 20454, 23863, 29694, 40908, 47726, 49187, 59388, 71589, 95452, 98374, 143178, 147561, 196748, 286356, 295122, 344309, 590244, 688618, 1032927, 1377236, 2065854, 2410163, 4131708, 4820326, 7230489, 9640652, 14460978, 28921956]

約数ペア:

[(1, 28921956), (2, 14460978), (3, 9640652), (4, 7230489), (6, 4820326), (7, 4131708), (12, 2410163), (14, 2065854), (21, 1377236), (28, 1032927), (42, 688618), (49, 590244), (84, 344309), (98, 295122), (101, 286356), (147, 196748), (196, 147561), (202, 143178), (294, 98374), (303, 95452), (404, 71589), (487, 59388), (588, 49187), (606, 47726), (707, 40908), (974, 29694), (1212, 23863), (1414, 20454), (1461, 19796), (1948, 14847), (2121, 13636), (2828, 10227), (2922, 9898), (3409, 8484), (4242, 6818), (4949, 5844)]