338974194

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 747952128

約数和(自身を除く): 408977934

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 191, 366, 373, 382, 573, 746, 793, 1119, 1146, 1586, 2238, 2379, 2483, 4758, 4849, 4966, 7449, 9698, 11651, 14547, 14898, 22753, 23302, 29094, 34953, 45506, 68259, 69906, 71243, 136518, 142486, 151463, 213729, 295789, 302926, 427458, 454389, 591578, 887367, 908778, 926159, 1774734, 1852318, 2778477, 4345823, 5556954, 8691646, 13037469, 26074938, 56495699, 112991398, 169487097, 338974194]

約数ペア:

[(1, 338974194), (2, 169487097), (3, 112991398), (6, 56495699), (13, 26074938), (26, 13037469), (39, 8691646), (61, 5556954), (78, 4345823), (122, 2778477), (183, 1852318), (191, 1774734), (366, 926159), (373, 908778), (382, 887367), (573, 591578), (746, 454389), (793, 427458), (1119, 302926), (1146, 295789), (1586, 213729), (2238, 151463), (2379, 142486), (2483, 136518), (4758, 71243), (4849, 69906), (4966, 68259), (7449, 45506), (9698, 34953), (11651, 29094), (14547, 23302), (14898, 22753)]