196821976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1489}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 420537600

約数和(自身を除く): 223715624

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 164, 248, 328, 403, 533, 806, 1066, 1271, 1489, 1612, 2132, 2542, 2978, 3224, 4264, 5084, 5956, 10168, 11912, 16523, 19357, 33046, 38714, 46159, 61049, 66092, 77428, 92318, 122098, 132184, 154856, 184636, 244196, 369272, 488392, 600067, 793637, 1200134, 1587274, 1892519, 2400268, 3174548, 3785038, 4800536, 6349096, 7570076, 15140152, 24602747, 49205494, 98410988, 196821976]

約数ペア:

[(1, 196821976), (2, 98410988), (4, 49205494), (8, 24602747), (13, 15140152), (26, 7570076), (31, 6349096), (41, 4800536), (52, 3785038), (62, 3174548), (82, 2400268), (104, 1892519), (124, 1587274), (164, 1200134), (248, 793637), (328, 600067), (403, 488392), (533, 369272), (806, 244196), (1066, 184636), (1271, 154856), (1489, 132184), (1612, 122098), (2132, 92318), (2542, 77428), (2978, 66092), (3224, 61049), (4264, 46159), (5084, 38714), (5956, 33046), (10168, 19357), (11912, 16523)]