383914664

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 898867200

約数和(自身を除く): 514952536

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 43, 56, 62, 74, 86, 124, 139, 148, 172, 217, 248, 259, 278, 296, 301, 344, 434, 518, 556, 602, 868, 973, 1036, 1112, 1147, 1204, 1333, 1591, 1736, 1946, 2072, 2294, 2408, 2666, 3182, 3892, 4309, 4588, 5143, 5332, 5977, 6364, 7784, 8029, 8618, 9176, 9331, 10286, 10664, 11137, 11954, 12728, 16058, 17236, 18662, 20572, 22274, 23908, 30163, 32116, 34472, 36001, 37324, 41144, 41839, 44548, 47816, 49321, 60326, 64232, 72002, 74648, 83678, 89096, 98642, 120652, 144004, 159433, 167356, 185287, 197284, 221149, 241304, 288008, 318866, 334712, 345247, 370574, 394568, 442298, 637732, 690494, 741148, 884596, 1116031, 1275464, 1297009, 1380988, 1482296, 1548043, 1769192, 2232062, 2594018, 2761976, 3096086, 4464124, 5188036, 6192172, 6855619, 8928248, 10376072, 12384344, 13711238, 27422476, 47989333, 54844952, 95978666, 191957332, 383914664]

約数ペア:

[(1, 383914664), (2, 191957332), (4, 95978666), (7, 54844952), (8, 47989333), (14, 27422476), (28, 13711238), (31, 12384344), (37, 10376072), (43, 8928248), (56, 6855619), (62, 6192172), (74, 5188036), (86, 4464124), (124, 3096086), (139, 2761976), (148, 2594018), (172, 2232062), (217, 1769192), (248, 1548043), (259, 1482296), (278, 1380988), (296, 1297009), (301, 1275464), (344, 1116031), (434, 884596), (518, 741148), (556, 690494), (602, 637732), (868, 442298), (973, 394568), (1036, 370574), (1112, 345247), (1147, 334712), (1204, 318866), (1333, 288008), (1591, 241304), (1736, 221149), (1946, 197284), (2072, 185287), (2294, 167356), (2408, 159433), (2666, 144004), (3182, 120652), (3892, 98642), (4309, 89096), (4588, 83678), (5143, 74648), (5332, 72002), (5977, 64232), (6364, 60326), (7784, 49321), (8029, 47816), (8618, 44548), (9176, 41839), (9331, 41144), (10286, 37324), (10664, 36001), (11137, 34472), (11954, 32116), (12728, 30163), (16058, 23908), (17236, 22274), (18662, 20572)]