389713168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 866194560

約数和(自身を除く): 476481392

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 307, 359, 442, 614, 718, 884, 1228, 1436, 1768, 2456, 2872, 3536, 3991, 4667, 4912, 5219, 5744, 6103, 7982, 9334, 10438, 12206, 15964, 18668, 20876, 24412, 31928, 37336, 41752, 48824, 63856, 67847, 74672, 79339, 83504, 97648, 110213, 135694, 158678, 220426, 271388, 317356, 440852, 542776, 634712, 881704, 1085552, 1269424, 1432769, 1763408, 1873621, 2865538, 3747242, 5731076, 7494484, 11462152, 14988968, 22924304, 24357073, 29977936, 48714146, 97428292, 194856584, 389713168]

約数ペア:

[(1, 389713168), (2, 194856584), (4, 97428292), (8, 48714146), (13, 29977936), (16, 24357073), (17, 22924304), (26, 14988968), (34, 11462152), (52, 7494484), (68, 5731076), (104, 3747242), (136, 2865538), (208, 1873621), (221, 1763408), (272, 1432769), (307, 1269424), (359, 1085552), (442, 881704), (614, 634712), (718, 542776), (884, 440852), (1228, 317356), (1436, 271388), (1768, 220426), (2456, 158678), (2872, 135694), (3536, 110213), (3991, 97648), (4667, 83504), (4912, 79339), (5219, 74672), (5744, 67847), (6103, 63856), (7982, 48824), (9334, 41752), (10438, 37336), (12206, 31928), (15964, 24412), (18668, 20876)]