388389638

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 802013184

約数和(自身を除く): 413623546

約数列:

[1, 2, 7, 13, 14, 23, 26, 31, 41, 46, 62, 73, 82, 91, 146, 161, 182, 217, 287, 299, 322, 403, 434, 511, 533, 574, 598, 713, 806, 943, 949, 1022, 1066, 1271, 1426, 1679, 1886, 1898, 2093, 2263, 2542, 2821, 2993, 3358, 3731, 4186, 4526, 4991, 5642, 5986, 6601, 6643, 7462, 8897, 9269, 9982, 11753, 12259, 13202, 13286, 15841, 16523, 17794, 18538, 20951, 21827, 23506, 24518, 29233, 29419, 31682, 33046, 38909, 41902, 43654, 52049, 58466, 58838, 64883, 68839, 77818, 85813, 92783, 104098, 115661, 129766, 137678, 152789, 171626, 185566, 204631, 205933, 231322, 272363, 305578, 364343, 380029, 409262, 411866, 481873, 544726, 649481, 676637, 728686, 760058, 894907, 963746, 1206179, 1298962, 1353274, 1789814, 2134009, 2412358, 2660203, 4268018, 4736459, 5320406, 6264349, 8443253, 9472918, 12528698, 14938063, 16886506, 27742117, 29876126, 55484234, 194194819, 388389638]

約数ペア:

[(1, 388389638), (2, 194194819), (7, 55484234), (13, 29876126), (14, 27742117), (23, 16886506), (26, 14938063), (31, 12528698), (41, 9472918), (46, 8443253), (62, 6264349), (73, 5320406), (82, 4736459), (91, 4268018), (146, 2660203), (161, 2412358), (182, 2134009), (217, 1789814), (287, 1353274), (299, 1298962), (322, 1206179), (403, 963746), (434, 894907), (511, 760058), (533, 728686), (574, 676637), (598, 649481), (713, 544726), (806, 481873), (943, 411866), (949, 409262), (1022, 380029), (1066, 364343), (1271, 305578), (1426, 272363), (1679, 231322), (1886, 205933), (1898, 204631), (2093, 185566), (2263, 171626), (2542, 152789), (2821, 137678), (2993, 129766), (3358, 115661), (3731, 104098), (4186, 92783), (4526, 85813), (4991, 77818), (5642, 68839), (5986, 64883), (6601, 58838), (6643, 58466), (7462, 52049), (8897, 43654), (9269, 41902), (9982, 38909), (11753, 33046), (12259, 31682), (13202, 29419), (13286, 29233), (15841, 24518), (16523, 23506), (17794, 21827), (18538, 20951)]