221923458

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 535766400

約数和(自身を除く): 313842942

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 89, 114, 138, 171, 178, 207, 267, 317, 342, 414, 437, 534, 634, 801, 874, 951, 1311, 1602, 1691, 1902, 2047, 2622, 2853, 3382, 3933, 4094, 5073, 5706, 6023, 6141, 7291, 7866, 10146, 12046, 12282, 14582, 15219, 18069, 18423, 21873, 28213, 30438, 36138, 36846, 38893, 43746, 54207, 56426, 65619, 77786, 84639, 108414, 116679, 131238, 138529, 169278, 233358, 253917, 277058, 350037, 415587, 507834, 536047, 648899, 700074, 831174, 1072094, 1246761, 1297798, 1608141, 1946697, 2493522, 3216282, 3893394, 4824423, 5840091, 9648846, 11680182, 12329081, 24658162, 36987243, 73974486, 110961729, 221923458]

約数ペア:

[(1, 221923458), (2, 110961729), (3, 73974486), (6, 36987243), (9, 24658162), (18, 12329081), (19, 11680182), (23, 9648846), (38, 5840091), (46, 4824423), (57, 3893394), (69, 3216282), (89, 2493522), (114, 1946697), (138, 1608141), (171, 1297798), (178, 1246761), (207, 1072094), (267, 831174), (317, 700074), (342, 648899), (414, 536047), (437, 507834), (534, 415587), (634, 350037), (801, 277058), (874, 253917), (951, 233358), (1311, 169278), (1602, 138529), (1691, 131238), (1902, 116679), (2047, 108414), (2622, 84639), (2853, 77786), (3382, 65619), (3933, 56426), (4094, 54207), (5073, 43746), (5706, 38893), (6023, 36846), (6141, 36138), (7291, 30438), (7866, 28213), (10146, 21873), (12046, 18423), (12282, 18069), (14582, 15219)]