1978245108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{212167}}^1$

素因数の和:212221

約数の個数: 72

約数和(自身を含む): 5869415552

約数和(自身を除く): 3891170444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3108, 4662, 9324, 212167, 424334, 636501, 848668, 1273002, 1485169, 1909503, 2546004, 2970338, 3819006, 4455507, 5940676, 7638012, 7850179, 8911014, 13366521, 15700358, 17822028, 23550537, 26733042, 31400716, 47101074, 53466084, 54951253, 70651611, 94202148, 109902506, 141303222, 164853759, 219805012, 282606444, 329707518, 494561277, 659415036, 989122554, 1978245108]

約数ペア:

[(1, 1978245108), (2, 989122554), (3, 659415036), (4, 494561277), (6, 329707518), (7, 282606444), (9, 219805012), (12, 164853759), (14, 141303222), (18, 109902506), (21, 94202148), (28, 70651611), (36, 54951253), (37, 53466084), (42, 47101074), (63, 31400716), (74, 26733042), (84, 23550537), (111, 17822028), (126, 15700358), (148, 13366521), (222, 8911014), (252, 7850179), (259, 7638012), (333, 5940676), (444, 4455507), (518, 3819006), (666, 2970338), (777, 2546004), (1036, 1909503), (1332, 1485169), (1554, 1273002), (2331, 848668), (3108, 636501), (4662, 424334), (9324, 212167)]