221633256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 623589120

約数和(自身を除く): 401955864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 73, 74, 78, 104, 111, 146, 148, 156, 219, 222, 263, 292, 296, 312, 438, 444, 481, 526, 584, 789, 876, 888, 949, 962, 1052, 1443, 1578, 1752, 1898, 1924, 2104, 2701, 2847, 2886, 3156, 3419, 3796, 3848, 5402, 5694, 5772, 6312, 6838, 7592, 8103, 9731, 10257, 10804, 11388, 11544, 13676, 16206, 19199, 19462, 20514, 21608, 22776, 27352, 29193, 32412, 35113, 38398, 38924, 41028, 57597, 58386, 64824, 70226, 76796, 77848, 82056, 105339, 115194, 116772, 126503, 140452, 153592, 210678, 230388, 233544, 249587, 253006, 280904, 379509, 421356, 460776, 499174, 506012, 710363, 748761, 759018, 842712, 998348, 1012024, 1420726, 1497522, 1518036, 1996696, 2131089, 2841452, 2995044, 3036072, 4262178, 5682904, 5990088, 8524356, 9234719, 17048712, 18469438, 27704157, 36938876, 55408314, 73877752, 110816628, 221633256]

約数ペア:

[(1, 221633256), (2, 110816628), (3, 73877752), (4, 55408314), (6, 36938876), (8, 27704157), (12, 18469438), (13, 17048712), (24, 9234719), (26, 8524356), (37, 5990088), (39, 5682904), (52, 4262178), (73, 3036072), (74, 2995044), (78, 2841452), (104, 2131089), (111, 1996696), (146, 1518036), (148, 1497522), (156, 1420726), (219, 1012024), (222, 998348), (263, 842712), (292, 759018), (296, 748761), (312, 710363), (438, 506012), (444, 499174), (481, 460776), (526, 421356), (584, 379509), (789, 280904), (876, 253006), (888, 249587), (949, 233544), (962, 230388), (1052, 210678), (1443, 153592), (1578, 140452), (1752, 126503), (1898, 116772), (1924, 115194), (2104, 105339), (2701, 82056), (2847, 77848), (2886, 76796), (3156, 70226), (3419, 64824), (3796, 58386), (3848, 57597), (5402, 41028), (5694, 38924), (5772, 38398), (6312, 35113), (6838, 32412), (7592, 29193), (8103, 27352), (9731, 22776), (10257, 21608), (10804, 20514), (11388, 19462), (11544, 19199), (13676, 16206)]