28585228

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 64465632

約数和(自身を除く): 35880404

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 49, 68, 92, 98, 119, 161, 196, 238, 322, 373, 391, 476, 644, 746, 782, 833, 1127, 1492, 1564, 1666, 2254, 2611, 2737, 3332, 4508, 5222, 5474, 6341, 8579, 10444, 10948, 12682, 17158, 18277, 19159, 25364, 34316, 36554, 38318, 44387, 60053, 73108, 76636, 88774, 120106, 145843, 177548, 240212, 291686, 310709, 420371, 583372, 621418, 840742, 1020901, 1242836, 1681484, 2041802, 4083604, 7146307, 14292614, 28585228]

約数ペア:

[(1, 28585228), (2, 14292614), (4, 7146307), (7, 4083604), (14, 2041802), (17, 1681484), (23, 1242836), (28, 1020901), (34, 840742), (46, 621418), (49, 583372), (68, 420371), (92, 310709), (98, 291686), (119, 240212), (161, 177548), (196, 145843), (238, 120106), (322, 88774), (373, 76636), (391, 73108), (476, 60053), (644, 44387), (746, 38318), (782, 36554), (833, 34316), (1127, 25364), (1492, 19159), (1564, 18277), (1666, 17158), (2254, 12682), (2611, 10948), (2737, 10444), (3332, 8579), (4508, 6341), (5222, 5474)]