217211358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 567189504

約数和(自身を除く): 349978146

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 41, 42, 62, 78, 82, 91, 93, 123, 182, 186, 217, 246, 273, 287, 313, 403, 434, 533, 546, 574, 626, 651, 806, 861, 939, 1066, 1209, 1271, 1302, 1599, 1722, 1878, 2191, 2418, 2542, 2821, 3198, 3731, 3813, 4069, 4382, 5642, 6573, 7462, 7626, 8138, 8463, 8897, 9703, 11193, 12207, 12833, 13146, 16523, 16926, 17794, 19406, 22386, 24414, 25666, 26691, 28483, 29109, 33046, 38499, 49569, 53382, 56966, 58218, 67921, 76998, 85449, 89831, 99138, 115661, 126139, 135842, 166829, 170898, 179662, 203763, 231322, 252278, 269493, 333658, 346983, 378417, 397823, 407526, 500487, 538986, 693966, 756834, 795646, 882973, 1000974, 1167803, 1193469, 1765946, 2335606, 2386938, 2648919, 2784761, 3503409, 5171699, 5297838, 5569522, 7006818, 8354283, 10343398, 15515097, 16708566, 31030194, 36201893, 72403786, 108605679, 217211358]

約数ペア:

[(1, 217211358), (2, 108605679), (3, 72403786), (6, 36201893), (7, 31030194), (13, 16708566), (14, 15515097), (21, 10343398), (26, 8354283), (31, 7006818), (39, 5569522), (41, 5297838), (42, 5171699), (62, 3503409), (78, 2784761), (82, 2648919), (91, 2386938), (93, 2335606), (123, 1765946), (182, 1193469), (186, 1167803), (217, 1000974), (246, 882973), (273, 795646), (287, 756834), (313, 693966), (403, 538986), (434, 500487), (533, 407526), (546, 397823), (574, 378417), (626, 346983), (651, 333658), (806, 269493), (861, 252278), (939, 231322), (1066, 203763), (1209, 179662), (1271, 170898), (1302, 166829), (1599, 135842), (1722, 126139), (1878, 115661), (2191, 99138), (2418, 89831), (2542, 85449), (2821, 76998), (3198, 67921), (3731, 58218), (3813, 56966), (4069, 53382), (4382, 49569), (5642, 38499), (6573, 33046), (7462, 29109), (7626, 28483), (8138, 26691), (8463, 25666), (8897, 24414), (9703, 22386), (11193, 19406), (12207, 17794), (12833, 16926), (13146, 16523)]