1621938458

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{43867}}^1$

素因数の和:44034

約数の個数: 32

約数和(自身を含む): 2947929600

約数和(自身を除く): 1325991142

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1946, 2641, 5282, 18487, 36974, 43867, 87734, 307069, 614138, 833473, 1666946, 5834311, 6097513, 11668622, 12195026, 42682591, 85365182, 115852747, 231705494, 810969229, 1621938458]

約数ペア:

[(1, 1621938458), (2, 810969229), (7, 231705494), (14, 115852747), (19, 85365182), (38, 42682591), (133, 12195026), (139, 11668622), (266, 6097513), (278, 5834311), (973, 1666946), (1946, 833473), (2641, 614138), (5282, 307069), (18487, 87734), (36974, 43867)]