221358228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 661118976

約数和(自身を除く): 439760748

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 169, 182, 186, 217, 273, 338, 364, 372, 403, 434, 503, 507, 546, 651, 676, 806, 868, 1006, 1014, 1092, 1183, 1209, 1302, 1509, 1612, 2012, 2028, 2366, 2418, 2604, 2821, 3018, 3521, 3549, 4732, 4836, 5239, 5642, 6036, 6539, 7042, 7098, 8463, 10478, 10563, 11284, 13078, 14084, 14196, 15593, 15717, 16926, 19617, 20956, 21126, 26156, 31186, 31434, 33852, 36673, 39234, 42252, 45773, 46779, 62372, 62868, 73346, 78468, 85007, 91546, 93558, 109151, 110019, 137319, 146692, 170014, 183092, 187116, 202709, 218302, 220038, 255021, 274638, 327453, 340028, 405418, 436604, 440076, 510042, 549276, 595049, 608127, 654906, 810836, 1020084, 1190098, 1216254, 1309812, 1418963, 1785147, 2380196, 2432508, 2635217, 2837926, 3570294, 4256889, 5270434, 5675852, 7140588, 7905651, 8513778, 10540868, 15811302, 17027556, 18446519, 31622604, 36893038, 55339557, 73786076, 110679114, 221358228]

約数ペア:

[(1, 221358228), (2, 110679114), (3, 73786076), (4, 55339557), (6, 36893038), (7, 31622604), (12, 18446519), (13, 17027556), (14, 15811302), (21, 10540868), (26, 8513778), (28, 7905651), (31, 7140588), (39, 5675852), (42, 5270434), (52, 4256889), (62, 3570294), (78, 2837926), (84, 2635217), (91, 2432508), (93, 2380196), (124, 1785147), (156, 1418963), (169, 1309812), (182, 1216254), (186, 1190098), (217, 1020084), (273, 810836), (338, 654906), (364, 608127), (372, 595049), (403, 549276), (434, 510042), (503, 440076), (507, 436604), (546, 405418), (651, 340028), (676, 327453), (806, 274638), (868, 255021), (1006, 220038), (1014, 218302), (1092, 202709), (1183, 187116), (1209, 183092), (1302, 170014), (1509, 146692), (1612, 137319), (2012, 110019), (2028, 109151), (2366, 93558), (2418, 91546), (2604, 85007), (2821, 78468), (3018, 73346), (3521, 62868), (3549, 62372), (4732, 46779), (4836, 45773), (5239, 42252), (5642, 39234), (6036, 36673), (6539, 33852), (7042, 31434), (7098, 31186), (8463, 26156), (10478, 21126), (10563, 20956), (11284, 19617), (13078, 16926), (14084, 15717), (14196, 15593)]