214895985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 377118720

約数和(自身を除く): 162222735

約数列:

[1, 3, 5, 15, 19, 47, 57, 61, 95, 141, 183, 235, 263, 285, 305, 705, 789, 893, 915, 1159, 1315, 2679, 2867, 3477, 3945, 4465, 4997, 5795, 8601, 12361, 13395, 14335, 14991, 16043, 17385, 24985, 37083, 43005, 48129, 54473, 61805, 74955, 80215, 163419, 185415, 234859, 240645, 272365, 304817, 704577, 754021, 817095, 914451, 1174295, 1524085, 2262063, 3522885, 3770105, 4572255, 11310315, 14326399, 42979197, 71631995, 214895985]

約数ペア:

[(1, 214895985), (3, 71631995), (5, 42979197), (15, 14326399), (19, 11310315), (47, 4572255), (57, 3770105), (61, 3522885), (95, 2262063), (141, 1524085), (183, 1174295), (235, 914451), (263, 817095), (285, 754021), (305, 704577), (705, 304817), (789, 272365), (893, 240645), (915, 234859), (1159, 185415), (1315, 163419), (2679, 80215), (2867, 74955), (3477, 61805), (3945, 54473), (4465, 48129), (4997, 43005), (5795, 37083), (8601, 24985), (12361, 17385), (13395, 16043), (14335, 14991)]