17688736

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 37964808

約数和(自身を除く): 20276072

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 421, 808, 842, 1313, 1616, 1684, 2626, 3232, 3368, 5252, 5473, 6736, 10504, 10946, 13472, 21008, 21892, 42016, 42521, 43784, 85042, 87568, 170084, 175136, 340168, 552773, 680336, 1105546, 1360672, 2211092, 4422184, 8844368, 17688736]

約数ペア:

[(1, 17688736), (2, 8844368), (4, 4422184), (8, 2211092), (13, 1360672), (16, 1105546), (26, 680336), (32, 552773), (52, 340168), (101, 175136), (104, 170084), (202, 87568), (208, 85042), (404, 43784), (416, 42521), (421, 42016), (808, 21892), (842, 21008), (1313, 13472), (1616, 10946), (1684, 10504), (2626, 6736), (3232, 5473), (3368, 5252)]