1999366928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1087}}^1$

素因数の和:1384

約数の個数: 80

約数和(自身を含む): 4306391040

約数和(自身を除く): 2307024112

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 239, 296, 478, 481, 592, 956, 962, 1087, 1912, 1924, 2174, 3107, 3824, 3848, 4348, 6214, 7696, 8696, 8843, 12428, 14131, 17392, 17686, 24856, 28262, 35372, 40219, 49712, 56524, 70744, 80438, 113048, 114959, 141488, 160876, 226096, 229918, 259793, 321752, 459836, 519586, 522847, 643504, 919672, 1039172, 1045694, 1839344, 2078344, 2091388, 3377309, 4156688, 4182776, 6754618, 8365552, 9612341, 13509236, 19224682, 27018472, 38449364, 54036944, 76898728, 124960433, 153797456, 249920866, 499841732, 999683464, 1999366928]

約数ペア:

[(1, 1999366928), (2, 999683464), (4, 499841732), (8, 249920866), (13, 153797456), (16, 124960433), (26, 76898728), (37, 54036944), (52, 38449364), (74, 27018472), (104, 19224682), (148, 13509236), (208, 9612341), (239, 8365552), (296, 6754618), (478, 4182776), (481, 4156688), (592, 3377309), (956, 2091388), (962, 2078344), (1087, 1839344), (1912, 1045694), (1924, 1039172), (2174, 919672), (3107, 643504), (3824, 522847), (3848, 519586), (4348, 459836), (6214, 321752), (7696, 259793), (8696, 229918), (8843, 226096), (12428, 160876), (14131, 141488), (17392, 114959), (17686, 113048), (24856, 80438), (28262, 70744), (35372, 56524), (40219, 49712)]