289678038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 643507200

約数和(自身を除く): 353829162

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 239, 246, 379, 478, 533, 717, 758, 1066, 1137, 1434, 1599, 2274, 3107, 3198, 4927, 6214, 9321, 9799, 9854, 14781, 15539, 18642, 19598, 29397, 29562, 31078, 46617, 58794, 90581, 93234, 127387, 181162, 202007, 254774, 271743, 382161, 404014, 543486, 606021, 764322, 1177553, 1212042, 2355106, 3532659, 3713821, 7065318, 7427642, 11141463, 22282926, 48279673, 96559346, 144839019, 289678038]

約数ペア:

[(1, 289678038), (2, 144839019), (3, 96559346), (6, 48279673), (13, 22282926), (26, 11141463), (39, 7427642), (41, 7065318), (78, 3713821), (82, 3532659), (123, 2355106), (239, 1212042), (246, 1177553), (379, 764322), (478, 606021), (533, 543486), (717, 404014), (758, 382161), (1066, 271743), (1137, 254774), (1434, 202007), (1599, 181162), (2274, 127387), (3107, 93234), (3198, 90581), (4927, 58794), (6214, 46617), (9321, 31078), (9799, 29562), (9854, 29397), (14781, 19598), (15539, 18642)]