491067318

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{21143}}^1$

素因数の和:21241

約数の個数: 48

約数和(自身を含む): 1156999680

約数和(自身を除く): 665932362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 79, 98, 147, 158, 237, 294, 474, 553, 1106, 1659, 3318, 3871, 7742, 11613, 21143, 23226, 42286, 63429, 126858, 148001, 296002, 444003, 888006, 1036007, 1670297, 2072014, 3108021, 3340594, 5010891, 6216042, 10021782, 11692079, 23384158, 35076237, 70152474, 81844553, 163689106, 245533659, 491067318]

約数ペア:

[(1, 491067318), (2, 245533659), (3, 163689106), (6, 81844553), (7, 70152474), (14, 35076237), (21, 23384158), (42, 11692079), (49, 10021782), (79, 6216042), (98, 5010891), (147, 3340594), (158, 3108021), (237, 2072014), (294, 1670297), (474, 1036007), (553, 888006), (1106, 444003), (1659, 296002), (3318, 148001), (3871, 126858), (7742, 63429), (11613, 42286), (21143, 23226)]