28382728

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 59251500

約数和(自身を除く): 30868772

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 121, 218, 242, 269, 436, 484, 538, 872, 968, 1076, 1199, 2152, 2398, 2959, 4796, 5918, 9592, 11836, 13189, 23672, 26378, 29321, 32549, 52756, 58642, 65098, 105512, 117284, 130196, 234568, 260392, 322531, 645062, 1290124, 2580248, 3547841, 7095682, 14191364, 28382728]

約数ペア:

[(1, 28382728), (2, 14191364), (4, 7095682), (8, 3547841), (11, 2580248), (22, 1290124), (44, 645062), (88, 322531), (109, 260392), (121, 234568), (218, 130196), (242, 117284), (269, 105512), (436, 65098), (484, 58642), (538, 52756), (872, 32549), (968, 29321), (1076, 26378), (1199, 23672), (2152, 13189), (2398, 11836), (2959, 9592), (4796, 5918)]