172538212

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1121

約数の個数: 72

約数和(自身を含む): 388402560

約数和(自身を除く): 215864348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 79, 98, 154, 158, 196, 308, 316, 539, 553, 869, 1013, 1078, 1106, 1738, 2026, 2156, 2212, 3476, 3871, 4052, 6083, 7091, 7742, 11143, 12166, 14182, 15484, 22286, 24332, 28364, 42581, 44572, 49637, 78001, 80027, 85162, 99274, 156002, 160054, 170324, 198548, 312004, 320108, 546007, 560189, 880297, 1092014, 1120378, 1760594, 2184028, 2240756, 3521188, 3921323, 6162079, 7842646, 12324158, 15685292, 24648316, 43134553, 86269106, 172538212]

約数ペア:

[(1, 172538212), (2, 86269106), (4, 43134553), (7, 24648316), (11, 15685292), (14, 12324158), (22, 7842646), (28, 6162079), (44, 3921323), (49, 3521188), (77, 2240756), (79, 2184028), (98, 1760594), (154, 1120378), (158, 1092014), (196, 880297), (308, 560189), (316, 546007), (539, 320108), (553, 312004), (869, 198548), (1013, 170324), (1078, 160054), (1106, 156002), (1738, 99274), (2026, 85162), (2156, 80027), (2212, 78001), (3476, 49637), (3871, 44572), (4052, 42581), (6083, 28364), (7091, 24332), (7742, 22286), (11143, 15484), (12166, 14182)]