73968016

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 146518400

約数和(自身を除く): 72550384

約数列:

[1, 2, 4, 8, 16, 79, 139, 158, 278, 316, 421, 556, 632, 842, 1112, 1264, 1684, 2224, 3368, 6736, 10981, 21962, 33259, 43924, 58519, 66518, 87848, 117038, 133036, 175696, 234076, 266072, 468152, 532144, 936304, 4623001, 9246002, 18492004, 36984008, 73968016]

約数ペア:

[(1, 73968016), (2, 36984008), (4, 18492004), (8, 9246002), (16, 4623001), (79, 936304), (139, 532144), (158, 468152), (278, 266072), (316, 234076), (421, 175696), (556, 133036), (632, 117038), (842, 87848), (1112, 66518), (1264, 58519), (1684, 43924), (2224, 33259), (3368, 21962), (6736, 10981)]