221880906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 552923280

約数和(自身を除く): 331042374

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 193, 221, 234, 289, 306, 386, 442, 578, 579, 663, 867, 1158, 1326, 1734, 1737, 1989, 2509, 2601, 3281, 3474, 3757, 3978, 4913, 5018, 5202, 6562, 7514, 7527, 9826, 9843, 11271, 14739, 15054, 19686, 22542, 22581, 29478, 29529, 33813, 42653, 44217, 45162, 55777, 59058, 63869, 67626, 85306, 88434, 111554, 127738, 127959, 167331, 191607, 255918, 334662, 383214, 383877, 501993, 574821, 725101, 767754, 948209, 1003986, 1149642, 1450202, 1896418, 2175303, 2844627, 4350606, 5689254, 6525909, 8533881, 12326717, 13051818, 17067762, 24653434, 36980151, 73960302, 110940453, 221880906]

約数ペア:

[(1, 221880906), (2, 110940453), (3, 73960302), (6, 36980151), (9, 24653434), (13, 17067762), (17, 13051818), (18, 12326717), (26, 8533881), (34, 6525909), (39, 5689254), (51, 4350606), (78, 2844627), (102, 2175303), (117, 1896418), (153, 1450202), (193, 1149642), (221, 1003986), (234, 948209), (289, 767754), (306, 725101), (386, 574821), (442, 501993), (578, 383877), (579, 383214), (663, 334662), (867, 255918), (1158, 191607), (1326, 167331), (1734, 127959), (1737, 127738), (1989, 111554), (2509, 88434), (2601, 85306), (3281, 67626), (3474, 63869), (3757, 59058), (3978, 55777), (4913, 45162), (5018, 44217), (5202, 42653), (6562, 33813), (7514, 29529), (7527, 29478), (9826, 22581), (9843, 22542), (11271, 19686), (14739, 15054)]