71628228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 218889216

約数和(自身を除く): 147260988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 53, 62, 63, 84, 93, 106, 124, 126, 159, 173, 186, 212, 217, 252, 279, 318, 346, 371, 372, 434, 477, 519, 558, 636, 651, 692, 742, 868, 954, 1038, 1113, 1116, 1211, 1302, 1484, 1557, 1643, 1908, 1953, 2076, 2226, 2422, 2604, 3114, 3286, 3339, 3633, 3906, 4452, 4844, 4929, 5363, 6228, 6572, 6678, 7266, 7812, 9169, 9858, 10726, 10899, 11501, 13356, 14532, 14787, 16089, 18338, 19716, 21452, 21798, 23002, 27507, 29574, 32178, 34503, 36676, 37541, 43596, 46004, 48267, 55014, 59148, 64183, 64356, 69006, 75082, 82521, 96534, 103509, 110028, 112623, 128366, 138012, 150164, 165042, 192549, 193068, 207018, 225246, 256732, 284239, 330084, 337869, 385098, 414036, 450492, 568478, 577647, 675738, 770196, 852717, 1136956, 1155294, 1351476, 1705434, 1989673, 2310588, 2558151, 3410868, 3979346, 5116302, 5969019, 7958692, 10232604, 11938038, 17907057, 23876076, 35814114, 71628228]

約数ペア:

[(1, 71628228), (2, 35814114), (3, 23876076), (4, 17907057), (6, 11938038), (7, 10232604), (9, 7958692), (12, 5969019), (14, 5116302), (18, 3979346), (21, 3410868), (28, 2558151), (31, 2310588), (36, 1989673), (42, 1705434), (53, 1351476), (62, 1155294), (63, 1136956), (84, 852717), (93, 770196), (106, 675738), (124, 577647), (126, 568478), (159, 450492), (173, 414036), (186, 385098), (212, 337869), (217, 330084), (252, 284239), (279, 256732), (318, 225246), (346, 207018), (371, 193068), (372, 192549), (434, 165042), (477, 150164), (519, 138012), (558, 128366), (636, 112623), (651, 110028), (692, 103509), (742, 96534), (868, 82521), (954, 75082), (1038, 69006), (1113, 64356), (1116, 64183), (1211, 59148), (1302, 55014), (1484, 48267), (1557, 46004), (1643, 43596), (1908, 37541), (1953, 36676), (2076, 34503), (2226, 32178), (2422, 29574), (2604, 27507), (3114, 23002), (3286, 21798), (3339, 21452), (3633, 19716), (3906, 18338), (4452, 16089), (4844, 14787), (4929, 14532), (5363, 13356), (6228, 11501), (6572, 10899), (6678, 10726), (7266, 9858), (7812, 9169)]