217221912

素因数分解:

$2^3\times 3^4\times {\mathrm{101}}^1\times {\mathrm{3319}}^1$

素因数の和:3438

約数の個数: 80

約数和(自身を含む): 614631600

約数和(自身を除く): 397409688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 101, 108, 162, 202, 216, 303, 324, 404, 606, 648, 808, 909, 1212, 1818, 2424, 2727, 3319, 3636, 5454, 6638, 7272, 8181, 9957, 10908, 13276, 16362, 19914, 21816, 26552, 29871, 32724, 39828, 59742, 65448, 79656, 89613, 119484, 179226, 238968, 268839, 335219, 358452, 537678, 670438, 716904, 1005657, 1075356, 1340876, 2011314, 2150712, 2681752, 3016971, 4022628, 6033942, 8045256, 9050913, 12067884, 18101826, 24135768, 27152739, 36203652, 54305478, 72407304, 108610956, 217221912]

約数ペア:

[(1, 217221912), (2, 108610956), (3, 72407304), (4, 54305478), (6, 36203652), (8, 27152739), (9, 24135768), (12, 18101826), (18, 12067884), (24, 9050913), (27, 8045256), (36, 6033942), (54, 4022628), (72, 3016971), (81, 2681752), (101, 2150712), (108, 2011314), (162, 1340876), (202, 1075356), (216, 1005657), (303, 716904), (324, 670438), (404, 537678), (606, 358452), (648, 335219), (808, 268839), (909, 238968), (1212, 179226), (1818, 119484), (2424, 89613), (2727, 79656), (3319, 65448), (3636, 59742), (5454, 39828), (6638, 32724), (7272, 29871), (8181, 26552), (9957, 21816), (10908, 19914), (13276, 16362)]