28299492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3557}}^1$

素因数の和:3597

約数の個数: 72

約数和(自身を含む): 81592056

約数和(自身を除く): 53292564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3557, 3978, 7114, 7956, 10671, 14228, 21342, 32013, 42684, 46241, 60469, 64026, 92482, 120938, 128052, 138723, 181407, 184964, 241876, 277446, 362814, 416169, 544221, 554892, 725628, 786097, 832338, 1088442, 1572194, 1664676, 2176884, 2358291, 3144388, 4716582, 7074873, 9433164, 14149746, 28299492]

約数ペア:

[(1, 28299492), (2, 14149746), (3, 9433164), (4, 7074873), (6, 4716582), (9, 3144388), (12, 2358291), (13, 2176884), (17, 1664676), (18, 1572194), (26, 1088442), (34, 832338), (36, 786097), (39, 725628), (51, 554892), (52, 544221), (68, 416169), (78, 362814), (102, 277446), (117, 241876), (153, 184964), (156, 181407), (204, 138723), (221, 128052), (234, 120938), (306, 92482), (442, 64026), (468, 60469), (612, 46241), (663, 42684), (884, 32013), (1326, 21342), (1989, 14228), (2652, 10671), (3557, 7956), (3978, 7114)]