28055508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 48149292

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 71, 78, 102, 142, 149, 156, 204, 213, 221, 284, 298, 426, 442, 447, 596, 663, 852, 884, 894, 923, 1207, 1326, 1788, 1846, 1937, 2414, 2533, 2652, 2769, 3621, 3692, 3874, 4828, 5066, 5538, 5811, 7242, 7599, 7748, 10132, 10579, 11076, 11622, 14484, 15198, 15691, 21158, 23244, 30396, 31382, 31737, 32929, 42316, 47073, 62764, 63474, 65858, 94146, 98787, 126948, 131716, 137527, 179843, 188292, 197574, 275054, 359686, 395148, 412581, 539529, 550108, 719372, 825162, 1079058, 1650324, 2158116, 2337959, 4675918, 7013877, 9351836, 14027754, 28055508]

約数ペア:

[(1, 28055508), (2, 14027754), (3, 9351836), (4, 7013877), (6, 4675918), (12, 2337959), (13, 2158116), (17, 1650324), (26, 1079058), (34, 825162), (39, 719372), (51, 550108), (52, 539529), (68, 412581), (71, 395148), (78, 359686), (102, 275054), (142, 197574), (149, 188292), (156, 179843), (204, 137527), (213, 131716), (221, 126948), (284, 98787), (298, 94146), (426, 65858), (442, 63474), (447, 62764), (596, 47073), (663, 42316), (852, 32929), (884, 31737), (894, 31382), (923, 30396), (1207, 23244), (1326, 21158), (1788, 15691), (1846, 15198), (1937, 14484), (2414, 11622), (2533, 11076), (2652, 10579), (2769, 10132), (3621, 7748), (3692, 7599), (3874, 7242), (4828, 5811), (5066, 5538)]