28433860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 77898240

約数和(自身を除く): 49464380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 919, 1105, 1190, 1547, 1820, 1838, 2210, 2380, 3094, 3676, 4420, 4595, 6188, 6433, 7735, 9190, 11947, 12866, 15470, 15623, 18380, 23894, 25732, 30940, 31246, 32165, 47788, 59735, 62492, 64330, 78115, 83629, 109361, 119470, 128660, 156230, 167258, 203099, 218722, 238940, 312460, 334516, 406198, 418145, 437444, 546805, 812396, 836290, 1015495, 1093610, 1421693, 1672580, 2030990, 2187220, 2843386, 4061980, 5686772, 7108465, 14216930, 28433860]

約数ペア:

[(1, 28433860), (2, 14216930), (4, 7108465), (5, 5686772), (7, 4061980), (10, 2843386), (13, 2187220), (14, 2030990), (17, 1672580), (20, 1421693), (26, 1093610), (28, 1015495), (34, 836290), (35, 812396), (52, 546805), (65, 437444), (68, 418145), (70, 406198), (85, 334516), (91, 312460), (119, 238940), (130, 218722), (140, 203099), (170, 167258), (182, 156230), (221, 128660), (238, 119470), (260, 109361), (340, 83629), (364, 78115), (442, 64330), (455, 62492), (476, 59735), (595, 47788), (884, 32165), (910, 31246), (919, 30940), (1105, 25732), (1190, 23894), (1547, 18380), (1820, 15623), (1838, 15470), (2210, 12866), (2380, 11947), (3094, 9190), (3676, 7735), (4420, 6433), (4595, 6188)]