28258386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 65390976

約数和(自身を除く): 37132590

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 101, 102, 202, 211, 221, 303, 422, 442, 606, 633, 663, 1266, 1313, 1326, 1717, 2626, 2743, 3434, 3587, 3939, 5151, 5486, 7174, 7878, 8229, 10302, 10761, 16458, 21311, 21522, 22321, 42622, 44642, 46631, 63933, 66963, 93262, 127866, 133926, 139893, 277043, 279786, 362287, 554086, 724574, 831129, 1086861, 1662258, 2173722, 4709731, 9419462, 14129193, 28258386]

約数ペア:

[(1, 28258386), (2, 14129193), (3, 9419462), (6, 4709731), (13, 2173722), (17, 1662258), (26, 1086861), (34, 831129), (39, 724574), (51, 554086), (78, 362287), (101, 279786), (102, 277043), (202, 139893), (211, 133926), (221, 127866), (303, 93262), (422, 66963), (442, 63933), (606, 46631), (633, 44642), (663, 42622), (1266, 22321), (1313, 21522), (1326, 21311), (1717, 16458), (2626, 10761), (2743, 10302), (3434, 8229), (3587, 7878), (3939, 7174), (5151, 5486)]