221465482

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{683}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 425502720

約数和(自身を除く): 204037238

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 53, 106, 133, 161, 266, 322, 371, 437, 683, 742, 874, 1007, 1219, 1366, 2014, 2438, 3059, 4781, 6118, 7049, 8533, 9562, 12977, 14098, 15709, 17066, 23161, 25954, 31418, 36199, 46322, 72398, 90839, 109963, 162127, 181678, 219926, 253393, 298471, 324254, 506786, 596942, 687781, 832577, 1375562, 1665154, 2089297, 4178594, 4814467, 5828039, 9628934, 11656078, 15818963, 31637926, 110732741, 221465482]

約数ペア:

[(1, 221465482), (2, 110732741), (7, 31637926), (14, 15818963), (19, 11656078), (23, 9628934), (38, 5828039), (46, 4814467), (53, 4178594), (106, 2089297), (133, 1665154), (161, 1375562), (266, 832577), (322, 687781), (371, 596942), (437, 506786), (683, 324254), (742, 298471), (874, 253393), (1007, 219926), (1219, 181678), (1366, 162127), (2014, 109963), (2438, 90839), (3059, 72398), (4781, 46322), (6118, 36199), (7049, 31418), (8533, 25954), (9562, 23161), (12977, 17066), (14098, 15709)]