221876984

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1381}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 504153600

約数和(自身を除く): 282276616

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 151, 152, 266, 302, 532, 604, 1057, 1064, 1208, 1381, 2114, 2762, 2869, 4228, 5524, 5738, 8456, 9667, 11048, 11476, 19334, 20083, 22952, 26239, 38668, 40166, 52478, 77336, 80332, 104956, 160664, 183673, 208531, 209912, 367346, 417062, 734692, 834124, 1459717, 1469384, 1668248, 2919434, 3962089, 5838868, 7924178, 11677736, 15848356, 27734623, 31696712, 55469246, 110938492, 221876984]

約数ペア:

[(1, 221876984), (2, 110938492), (4, 55469246), (7, 31696712), (8, 27734623), (14, 15848356), (19, 11677736), (28, 7924178), (38, 5838868), (56, 3962089), (76, 2919434), (133, 1668248), (151, 1469384), (152, 1459717), (266, 834124), (302, 734692), (532, 417062), (604, 367346), (1057, 209912), (1064, 208531), (1208, 183673), (1381, 160664), (2114, 104956), (2762, 80332), (2869, 77336), (4228, 52478), (5524, 40166), (5738, 38668), (8456, 26239), (9667, 22952), (11048, 20083), (11476, 19334)]