199971664

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:1019

約数の個数: 40

約数和(自身を含む): 395624480

約数和(自身を除く): 195652816

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 331, 488, 619, 662, 976, 1238, 1324, 2476, 2648, 4952, 5296, 9904, 20191, 37759, 40382, 75518, 80764, 151036, 161528, 204889, 302072, 323056, 409778, 604144, 819556, 1639112, 3278224, 12498229, 24996458, 49992916, 99985832, 199971664]

約数ペア:

[(1, 199971664), (2, 99985832), (4, 49992916), (8, 24996458), (16, 12498229), (61, 3278224), (122, 1639112), (244, 819556), (331, 604144), (488, 409778), (619, 323056), (662, 302072), (976, 204889), (1238, 161528), (1324, 151036), (2476, 80764), (2648, 75518), (4952, 40382), (5296, 37759), (9904, 20191)]