405999984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38273}}^1$

素因数の和:38314

約数の個数: 80

約数和(自身を含む): 1195985952

約数和(自身を除く): 789985968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 2652, 3536, 5304, 10608, 38273, 76546, 114819, 153092, 229638, 306184, 459276, 497549, 612368, 650641, 918552, 995098, 1301282, 1492647, 1837104, 1951923, 1990196, 2602564, 2985294, 3903846, 3980392, 5205128, 5970588, 7807692, 7960784, 8458333, 10410256, 11941176, 15615384, 16916666, 23882352, 25374999, 31230768, 33833332, 50749998, 67666664, 101499996, 135333328, 202999992, 405999984]

約数ペア:

[(1, 405999984), (2, 202999992), (3, 135333328), (4, 101499996), (6, 67666664), (8, 50749998), (12, 33833332), (13, 31230768), (16, 25374999), (17, 23882352), (24, 16916666), (26, 15615384), (34, 11941176), (39, 10410256), (48, 8458333), (51, 7960784), (52, 7807692), (68, 5970588), (78, 5205128), (102, 3980392), (104, 3903846), (136, 2985294), (156, 2602564), (204, 1990196), (208, 1951923), (221, 1837104), (272, 1492647), (312, 1301282), (408, 995098), (442, 918552), (624, 650641), (663, 612368), (816, 497549), (884, 459276), (1326, 306184), (1768, 229638), (2652, 153092), (3536, 114819), (5304, 76546), (10608, 38273)]