221657306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 395041920

約数和(自身を除く): 173384614

約数列:

[1, 2, 13, 19, 26, 37, 38, 67, 74, 134, 181, 247, 362, 481, 494, 703, 871, 962, 1273, 1406, 1742, 2353, 2479, 2546, 3439, 4706, 4958, 6697, 6878, 9139, 12127, 13394, 16549, 18278, 24254, 32227, 33098, 44707, 47101, 64454, 87061, 89414, 94202, 127243, 157651, 174122, 230413, 254486, 315302, 448699, 460826, 612313, 897398, 1224626, 1654159, 2995369, 3308318, 5833087, 5990738, 8525281, 11666174, 17050562, 110828653, 221657306]

約数ペア:

[(1, 221657306), (2, 110828653), (13, 17050562), (19, 11666174), (26, 8525281), (37, 5990738), (38, 5833087), (67, 3308318), (74, 2995369), (134, 1654159), (181, 1224626), (247, 897398), (362, 612313), (481, 460826), (494, 448699), (703, 315302), (871, 254486), (962, 230413), (1273, 174122), (1406, 157651), (1742, 127243), (2353, 94202), (2479, 89414), (2546, 87061), (3439, 64454), (4706, 47101), (4958, 44707), (6697, 33098), (6878, 32227), (9139, 24254), (12127, 18278), (13394, 16549)]