197804916

素因数分解:

$2^2\times 3^5\times {\mathrm{109}}^1\times {\mathrm{1867}}^1$

素因数の和:1995

約数の個数: 72

約数和(自身を含む): 523563040

約数和(自身を除く): 325758124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 243, 324, 327, 436, 486, 654, 972, 981, 1308, 1867, 1962, 2943, 3734, 3924, 5601, 5886, 7468, 8829, 11202, 11772, 16803, 17658, 22404, 26487, 33606, 35316, 50409, 52974, 67212, 100818, 105948, 151227, 201636, 203503, 302454, 407006, 453681, 604908, 610509, 814012, 907362, 1221018, 1814724, 1831527, 2442036, 3663054, 5494581, 7326108, 10989162, 16483743, 21978324, 32967486, 49451229, 65934972, 98902458, 197804916]

約数ペア:

[(1, 197804916), (2, 98902458), (3, 65934972), (4, 49451229), (6, 32967486), (9, 21978324), (12, 16483743), (18, 10989162), (27, 7326108), (36, 5494581), (54, 3663054), (81, 2442036), (108, 1831527), (109, 1814724), (162, 1221018), (218, 907362), (243, 814012), (324, 610509), (327, 604908), (436, 453681), (486, 407006), (654, 302454), (972, 203503), (981, 201636), (1308, 151227), (1867, 105948), (1962, 100818), (2943, 67212), (3734, 52974), (3924, 50409), (5601, 35316), (5886, 33606), (7468, 26487), (8829, 22404), (11202, 17658), (11772, 16803)]