215755722

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:673

約数の個数: 144

約数和(自身を含む): 605509632

約数和(自身を除く): 389753910

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 49, 62, 63, 78, 91, 93, 98, 117, 126, 147, 182, 186, 217, 234, 273, 279, 294, 403, 434, 441, 546, 558, 607, 637, 651, 806, 819, 882, 1209, 1214, 1274, 1302, 1519, 1638, 1821, 1911, 1953, 2418, 2821, 3038, 3627, 3642, 3822, 3906, 4249, 4557, 5463, 5642, 5733, 7254, 7891, 8463, 8498, 9114, 10926, 11466, 12747, 13671, 15782, 16926, 18817, 19747, 23673, 25389, 25494, 27342, 29743, 37634, 38241, 39494, 47346, 50778, 55237, 56451, 59241, 59486, 71019, 76482, 89229, 110474, 112902, 118482, 131719, 142038, 165711, 169353, 177723, 178458, 244621, 263438, 267687, 331422, 338706, 355446, 386659, 395157, 489242, 497133, 535374, 733863, 773318, 790314, 922033, 994266, 1159977, 1185471, 1467726, 1712347, 1844066, 2201589, 2319954, 2370942, 2766099, 3424694, 3479931, 4403178, 5137041, 5532198, 6959862, 8298297, 10274082, 11986429, 15411123, 16596594, 23972858, 30822246, 35959287, 71918574, 107877861, 215755722]

約数ペア:

[(1, 215755722), (2, 107877861), (3, 71918574), (6, 35959287), (7, 30822246), (9, 23972858), (13, 16596594), (14, 15411123), (18, 11986429), (21, 10274082), (26, 8298297), (31, 6959862), (39, 5532198), (42, 5137041), (49, 4403178), (62, 3479931), (63, 3424694), (78, 2766099), (91, 2370942), (93, 2319954), (98, 2201589), (117, 1844066), (126, 1712347), (147, 1467726), (182, 1185471), (186, 1159977), (217, 994266), (234, 922033), (273, 790314), (279, 773318), (294, 733863), (403, 535374), (434, 497133), (441, 489242), (546, 395157), (558, 386659), (607, 355446), (637, 338706), (651, 331422), (806, 267687), (819, 263438), (882, 244621), (1209, 178458), (1214, 177723), (1274, 169353), (1302, 165711), (1519, 142038), (1638, 131719), (1821, 118482), (1911, 112902), (1953, 110474), (2418, 89229), (2821, 76482), (3038, 71019), (3627, 59486), (3642, 59241), (3822, 56451), (3906, 55237), (4249, 50778), (4557, 47346), (5463, 39494), (5642, 38241), (5733, 37634), (7254, 29743), (7891, 27342), (8463, 25494), (8498, 25389), (9114, 23673), (10926, 19747), (11466, 18817), (12747, 16926), (13671, 15782)]